diff --git a/dist/chota.css b/dist/chota.css
index d595fdb..507fb11 100644
--- a/dist/chota.css
+++ b/dist/chota.css
@@ -1,3 +1,4 @@
+/*! chota.css | MIT License | github.com/jenil/chota */
 :root{
     --primary-color:#1a9f60;
     --lightGrey-color:#ddd;
@@ -5,114 +6,92 @@
     --grid-gutter:2rem;
     --font-family:-apple-system,BlinkMacSystemFont,Avenir,"Avenir Next","Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif;
 }
-
 *{
     box-sizing:border-box;
 }
-
 html{
     font-size:62.5%;
     line-height:1.15;
     -ms-text-size-adjust:100%;
     -webkit-text-size-adjust:100%;
 }
-
 body{
     letter-spacing:.01em;
     line-height:1.6;
     font-size:1.6rem;
     font-weight:400;
+    font-family:Segoe UI,Helvetica Neue,san-serif;
     font-family:var(--font-family);
     margin:0;
     padding:0;
 }
-
 h1,h2,h3,h4,h5,h6{
     font-weight:500;
     margin:.35em 0 .7em;
 }
-
 h1{
     font-size:2em;
 }
-
 h2{
     font-size:1.75em;
 }
-
 h3{
     font-size:1.5em;
 }
-
 h4{
     font-size:1.25em;
 }
-
 h5{
     font-size:1em;
 }
-
 h6{
     font-size:.85em;
 }
-
 a{
     color:var(--primary-color);
     text-decoration:none;
 }
-
 a:hover:not(.button){
     opacity:.6;
 }
-
 p{
     margin-top:0;
 }
-
 blockquote{
     background-color:#f3f3f3;
     padding:1.5rem 2rem;
     border-left:3px solid var(--lightGrey-color);
 }
-
 dl dt{
     font-weight:700;
 }
-
 hr{
     background-color:var(--lightGrey-color);
     height:1px;
     margin:1rem 0;
 }
-
 hr,table{
     border:none;
 }
-
 table{
     width:100%;
     border-collapse:collapse;
     border-spacing:0;
     text-align:left;
 }
-
 td,th{
     vertical-align:middle;
     padding:1.2rem .4rem;
 }
-
 thead{
     border-bottom:2px solid var(--lightGrey-color);
 }
-
 tfoot{
     border-top:2px solid var(--lightGrey-color);
 }
-
 code,kbd,pre,samp,tt{
     font-family:monaco,Consolas,Lucida Console,monospace;
 }
-
 code,kbd{
     padding:0 .4rem;
     font-size:90%;
@@ -121,42 +100,34 @@ code,kbd{
     color:#c62424;
     padding:.2em .4em;
 }
-
 code,kbd,pre{
     background-color:#f7f7f7;
 }
-
 pre{
     font-size:1em;
     padding:1rem;
 }
-
 pre code{
     background:none;
     padding:0;
 }
-
 abbr[title]{
     border-bottom:none;
     text-decoration:underline;
     text-decoration:underline dotted;
 }
-
 img{
     max-width:100%;
 }
-
 fieldset,iframe{
     border:1px solid var(--lightGrey-color);
 }
-
 .container{
     max-width:var(--grid-maxWidth);
     margin:0 auto;
     width:96%;
     padding:0 calc(var(--grid-gutter) / 2);
 }
-
 .row{
     display:flex;
     flex-flow:row wrap;
@@ -164,75 +135,60 @@ fieldset,iframe{
     margin-left:calc(var(--grid-gutter) / -2);
     margin-right:calc(var(--grid-gutter) / -2);
 }
-
 .col{
     flex:1;
 }
-
 .col,[class*=" col-"],[class^=col-]{
     margin:0 calc(var(--grid-gutter) / 2) calc(var(--grid-gutter) / 2);
 }
-
 .col-1{
     flex:0 0 calc((100% / (12/1)) - var(--grid-gutter));
     max-width:calc((100% / (12/1)) - var(--grid-gutter));
 }
-
 .col-2{
     flex:0 0 calc((100% / (12/2)) - var(--grid-gutter));
     max-width:calc((100% / (12/2)) - var(--grid-gutter));
 }
-
 .col-3{
     flex:0 0 calc((100% / (12/3)) - var(--grid-gutter));
     max-width:calc((100% / (12/3)) - var(--grid-gutter));
 }
-
 .col-4{
     flex:0 0 calc((100% / (12/4)) - var(--grid-gutter));
     max-width:calc((100% / (12/4)) - var(--grid-gutter));
 }
-
 .col-5{
     flex:0 0 calc((100% / (12/5)) - var(--grid-gutter));
     max-width:calc((100% / (12/5)) - var(--grid-gutter));
 }
-
 .col-6{
     flex:0 0 calc((100% / (12/6)) - var(--grid-gutter));
     max-width:calc((100% / (12/6)) - var(--grid-gutter));
 }
-
 .col-7{
     flex:0 0 calc((100% / (12/7)) - var(--grid-gutter));
     max-width:calc((100% / (12/7)) - var(--grid-gutter));
 }
-
 .col-8{
     flex:0 0 calc((100% / (12/8)) - var(--grid-gutter));
     max-width:calc((100% / (12/8)) - var(--grid-gutter));
 }
-
 .col-9{
     flex:0 0 calc((100% / (12/9)) - var(--grid-gutter));
     max-width:calc((100% / (12/9)) - var(--grid-gutter));
 }
-
 .col-10{
     flex:0 0 calc((100% / (12/10)) - var(--grid-gutter));
     max-width:calc((100% / (12/10)) - var(--grid-gutter));
 }
-
 .col-11{
     flex:0 0 calc((100% / (12/11)) - var(--grid-gutter));
     max-width:calc((100% / (12/11)) - var(--grid-gutter));
 }
-
 .col-12{
     flex:0 0 calc((100% / (12/12)) - var(--grid-gutter));
     max-width:calc((100% / (12/12)) - var(--grid-gutter));
 }
-
 @media screen and (max-width:768px){
     .container{
         width:100%;
@@ -243,17 +199,14 @@ fieldset,iframe{
         max-width:100%;
     }
 }
-
 fieldset{
     padding:.5rem 2rem;
 }
-
 legend{
     text-transform:uppercase;
     font-size:.8em;
     letter-spacing:.1rem;
 }
-
 input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]),select,textarea,textarea[type=text]{
     font-family:inherit;
     padding:.7rem 1rem;
@@ -264,16 +217,13 @@ input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]
     display:block;
     width:100%;
 }
-
 input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]):hover,select:hover,textarea:hover,textarea[type=text]:hover{
     border-color:#aaa;
 }
-
 input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]):focus,select:focus,textarea:focus,textarea[type=text]:focus{
     outline:none;
     border-color:var(--primary-color);
 }
-
 select{
     -webkit-appearance:none;
     background-color:#fafafa;
@@ -284,7 +234,6 @@ select{
     background-origin:content-box;
     background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='40' fill='#555'><polygon points='0,0 60,0 30,40'/></svg>");
 }
-
 [type=checkbox],[type=radio]{
     -webkit-appearance:none;
     width:1.6rem;
@@ -292,21 +241,17 @@ select{
     margin:-.2rem .2rem;
     border:1px solid #aaa;
 }
-
 [type=radio]{
     border-radius:50%;
     box-shadow:inset 0 0 0 3px #fff;
 }
-
 [type=radio]:checked{
     background-color:var(--primary-color);
 }
-
 [type=checkbox]:checked{
     background:url("data:image/png;base64,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") var(--primary-color) no-repeat 50%;
     background-size:1rem;
 }
-
 .button,[type=button],[type=reset],[type=submit],button{
     padding:1rem 2.5rem;
     color:#333;
@@ -322,226 +267,190 @@ select{
     transition:all .3s;
     display:inline-block;
 }
-
 .button+.button{
     margin-left:1rem;
 }
-
 .button:hover,[type=button]:hover,[type=reset]:hover,[type=submit]:hover,button:hover{
     opacity:.8;
 }
-
 .button:active,[type=button]:active,[type=reset]:active,[type=submit]:active,button:active{
     transform:scale(.98);
 }
-
 button[disabled],button[disabled]:hover,input[disabled],input[disabled]:hover{
     opacity:.4;
     cursor:not-allowed;
 }
-
 .button.primary,[type=submit]{
     color:#fff;
     background:var(--primary-color);
 }
-
 .button.outline{
     background-color:transparent;
     border:1px solid var(--lightGrey-color);
 }
-
 .button.outline.primary{
     border-color:var(--primary-color);
     color:var(--primary-color);
 }
-
 .button.clear{
     background-color:transparent;
     border-color:transparent;
     color:var(--primary-color);
 }
-
 .nav{
+    display:flex;
     min-height:5rem;
     align-items:stretch;
 }
-
-.nav,.nav>.container{
+.nav img{
+    max-height:3rem;
+}
+.nav>.container{
     display:flex;
 }
-
 .nav-center,.nav-left,.nav-right{
     display:flex;
-    flex-basis:0;
-    flex-grow:1;
-    flex-shrink:0;
+    flex:1;
 }
-
 .nav-left{
     justify-content:flex-start;
 }
-
 .nav-right{
     justify-content:flex-end;
 }
-
 .nav-center{
     justify-content:center;
 }
-
 @media screen and (max-width:480px){
-  .nav,.nav>.container{
-    flex-direction:column;
-  }
-  .nav-center,.nav-left,.nav-right{
-    flex-basis:100%;
-    justify-content:center;
-    flex-shrink:1;
-    flex-grow:0;
-    flex-wrap:wrap;
-  }
+    .nav,.nav>.container{
+        flex-direction:column;
+    }
+    .nav-center,.nav-left,.nav-right{
+        flex-wrap:wrap;
+        justify-content:center;
+    }
 }
-
-.nav .brand{
-    margin:0;
-}
-
 .nav .brand,.nav a{
     text-decoration:none;
     display:flex;
     align-items:center;
-    padding:0 2rem;
+    padding:1rem 2rem;
+}
+.nav .brand{
+    margin:0;
+    padding-top:0;
+    padding-bottom:0;
+}
+.nav .brand a{
+    padding:0;
+}
+.nav .button{
+    margin:auto 1rem;
 }
-
 .card{
     padding:1rem 2rem;
     border-radius:4px;
     box-shadow:0 0 2px rgba(0,0,0,.4);
 }
-
 .card header>*{
   margin-top:0;
   margin-bottom:1rem;
 }
-
 .tabs{
     display:flex;
 }
-
 .tabs a{
     text-decoration:none;
 }
-
 .tabs>a{
     padding:1rem 2rem;
-    flex:1;
+    flex:0 1 auto;
     color:#555;
     border-bottom:2px solid var(--lightGrey-color);
     text-align:center;
 }
-
 .tabs>a.active,.tabs>a:hover{
     opacity:1;
     border-bottom:2px solid #555;
 }
-
 .tabs>a.active{
     border-color:var(--primary-color);
 }
-
+.tabs.is-full a{
+    flex:1;
+}
 .pull-right{
     float:right;
 }
-
 .pull-left{
     float:left;
 }
-
 .is-text-center{
     text-align:center;
 }
-
 .is-text-left{
     text-align:left;
 }
-
 .is-text-right{
     text-align:right;
 }
-
 .is-text-uppercase{
     text-transform:uppercase;
 }
-
 .is-text-lowercase{
     text-transform:lowercase;
 }
-
 .is-text-capitalize{
     text-transform:capitalize;
 }
-
 .is-full-screen{
     width:100%;
     min-height:100vh;
 }
-
 .is-full-width{
     width:100%;
 }
-
 .is-vertical-align{
     display:flex;
     align-items:center;
 }
-
 .is-center,.is-horizontal-align{
     display:flex;
     justify-content:center;
 }
-
 .is-center{
     align-items:center;
 }
-
 .is-right{
     justify-content:flex-end;
 }
-
 .is-left,.is-right{
     display:flex;
     align-items:center;
 }
-
 .is-left{
     justify-content:flex-start;
 }
-
 .is-fixed{
     position:fixed;
     width:100%;
 }
-
 .is-paddingless{
     padding:0 !important;
 }
-
 .is-marginless{
     margin:0 !important;
 }
-
 .clearfix{
     content:"";
     display:table;
     clear:both;
 }
-
 @media screen and (max-width:480px){
     .hide-phone{
         display:none;
     }
 }
-
 @media screen and (max-width:768px){
     .hide-tablet{
         display:none;
diff --git a/dist/chota.min.css b/dist/chota.min.css
index bfcee7a..18bba2c 100644
--- a/dist/chota.min.css
+++ b/dist/chota.min.css
@@ -1 +1 @@
-:root{--primary-color:#1a9f60;--lightGrey-color:#ddd;--grid-maxWidth:120rem;--grid-gutter:2rem;--font-family:-apple-system,BlinkMacSystemFont,Avenir,"Avenir Next","Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif}*{box-sizing:border-box}html{font-size:62.5%;line-height:1.15;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{letter-spacing:.01em;line-height:1.6;font-size:1.6rem;font-weight:400;font-family:var(--font-family);margin:0;padding:0}h1,h2,h3,h4,h5,h6{font-weight:500;margin:.35em 0 .7em}h1{font-size:2em}h2{font-size:1.75em}h3{font-size:1.5em}h4{font-size:1.25em}h5{font-size:1em}h6{font-size:.85em}a{color:var(--primary-color);text-decoration:none}a:hover:not(.button){opacity:.6}p{margin-top:0}blockquote{background-color:#f3f3f3;padding:1.5rem 2rem;border-left:3px solid var(--lightGrey-color)}dl dt{font-weight:700}hr{background-color:var(--lightGrey-color);height:1px;margin:1rem 0}hr,table{border:none}table{width:100%;border-collapse:collapse;border-spacing:0;text-align:left}td,th{vertical-align:middle;padding:1.2rem .4rem}thead{border-bottom:2px solid var(--lightGrey-color)}tfoot{border-top:2px solid var(--lightGrey-color)}code,kbd,pre,samp,tt{font-family:monaco,Consolas,Lucida Console,monospace}code,kbd{padding:0 .4rem;font-size:90%;white-space:pre-wrap;border-radius:4px;color:#c62424;padding:.2em .4em}code,kbd,pre{background-color:#f7f7f7}pre{font-size:1em;padding:1rem}pre code{background:none;padding:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}img{max-width:100%}fieldset,iframe{border:1px solid var(--lightGrey-color)}.container{max-width:var(--grid-maxWidth);margin:0 auto;width:96%;padding:0 calc(var(--grid-gutter) / 2)}.row{display:flex;flex-flow:row wrap;justify-content:flex-start;margin-left:calc(var(--grid-gutter) / -2);margin-right:calc(var(--grid-gutter) / -2)}.col{flex:1}.col,[class*=" col-"],[class^=col-]{margin:0 calc(var(--grid-gutter) / 2) calc(var(--grid-gutter) / 2)}.col-1{flex:0 0 calc((100% / (12/1)) - var(--grid-gutter));max-width:calc((100% / (12/1)) - var(--grid-gutter))}.col-2{flex:0 0 calc((100% / (12/2)) - var(--grid-gutter));max-width:calc((100% / (12/2)) - var(--grid-gutter))}.col-3{flex:0 0 calc((100% / (12/3)) - var(--grid-gutter));max-width:calc((100% / (12/3)) - var(--grid-gutter))}.col-4{flex:0 0 calc((100% / (12/4)) - var(--grid-gutter));max-width:calc((100% / (12/4)) - var(--grid-gutter))}.col-5{flex:0 0 calc((100% / (12/5)) - var(--grid-gutter));max-width:calc((100% / (12/5)) - var(--grid-gutter))}.col-6{flex:0 0 calc((100% / (12/6)) - var(--grid-gutter));max-width:calc((100% / (12/6)) - var(--grid-gutter))}.col-7{flex:0 0 calc((100% / (12/7)) - var(--grid-gutter));max-width:calc((100% / (12/7)) - var(--grid-gutter))}.col-8{flex:0 0 calc((100% / (12/8)) - var(--grid-gutter));max-width:calc((100% / (12/8)) - var(--grid-gutter))}.col-9{flex:0 0 calc((100% / (12/9)) - var(--grid-gutter));max-width:calc((100% / (12/9)) - var(--grid-gutter))}.col-10{flex:0 0 calc((100% / (12/10)) - var(--grid-gutter));max-width:calc((100% / (12/10)) - var(--grid-gutter))}.col-11{flex:0 0 calc((100% / (12/11)) - var(--grid-gutter));max-width:calc((100% / (12/11)) - var(--grid-gutter))}.col-12{flex:0 0 calc((100% / (12/12)) - var(--grid-gutter));max-width:calc((100% / (12/12)) - var(--grid-gutter))}@media screen and (max-width:768px){.container{width:100%}.col,[class*=" col-"],[class^=col-]{flex:0 1 100%;max-width:100%}}fieldset{padding:.5rem 2rem}legend{text-transform:uppercase;font-size:.8em;letter-spacing:.1rem}input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]),select,textarea,textarea[type=text]{font-family:inherit;padding:.7rem 1rem;border-radius:4px;border:1px solid var(--lightGrey-color);font-size:1em;transition:all .2s ease;display:block;width:100%}input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]):hover,select:hover,textarea:hover,textarea[type=text]:hover{border-color:#aaa}input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]):focus,select:focus,textarea:focus,textarea[type=text]:focus{outline:none;border-color:var(--primary-color)}select{-webkit-appearance:none;background-color:#fafafa;border:1px solid var(--lightGrey-color);background-position:100%;background-repeat:no-repeat;background-size:1ex;background-origin:content-box;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='40' fill='#555'><polygon points='0,0 60,0 30,40'/></svg>")}[type=checkbox],[type=radio]{-webkit-appearance:none;width:1.6rem;height:1.6rem;margin:-.2rem .2rem;border:1px solid #aaa}[type=radio]{border-radius:50%;box-shadow:inset 0 0 0 3px #fff}[type=radio]:checked{background-color:var(--primary-color)}[type=checkbox]:checked{background:url("data:image/png;base64,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") var(--primary-color) no-repeat 50%;background-size:1rem}.button,[type=button],[type=reset],[type=submit],button{padding:1rem 2.5rem;color:#333;background:#e6e6e6;border-radius:4px;border:none;font-size:1.5rem;line-height:1;text-align:center;transition:all .2s ease;text-decoration:none;transform:scale(1);transition:all .3s;display:inline-block}.button+.button{margin-left:1rem}.button:hover,[type=button]:hover,[type=reset]:hover,[type=submit]:hover,button:hover{opacity:.8}.button:active,[type=button]:active,[type=reset]:active,[type=submit]:active,button:active{transform:scale(.98)}button[disabled],button[disabled]:hover,input[disabled],input[disabled]:hover{opacity:.4;cursor:not-allowed}.button.primary,[type=submit]{color:#fff;background:var(--primary-color)}.button.outline{background-color:transparent;border:1px solid var(--lightGrey-color)}.button.outline.primary{border-color:var(--primary-color);color:var(--primary-color)}.button.clear{background-color:transparent;border-color:transparent;color:var(--primary-color)}.nav{min-height:5rem;align-items:stretch}.nav,.nav>.container{display:flex}.nav-center,.nav-left,.nav-right{display:flex;flex-basis:0;flex-grow:1;flex-shrink:0}.nav-left{justify-content:flex-start}.nav-right{justify-content:flex-end}.nav-center{justify-content:center}@media screen and (max-width:480px){.nav,.nav>.container{flex-direction:column}.nav-center,.nav-left,.nav-right{flex-basis:100%;justify-content:center;flex-shrink:1;flex-grow:0;flex-wrap:wrap}}.nav .brand{margin:0}.nav .brand,.nav a{text-decoration:none;display:flex;align-items:center;padding:0 2rem}.card{padding:1rem 2rem;border-radius:4px;box-shadow:0 0 2px rgba(0,0,0,.4)}.card header>*{margin-top:0;margin-bottom:1rem}.tabs{display:flex}.tabs a{text-decoration:none}.tabs>a{padding:1rem 2rem;flex:1;color:#555;border-bottom:2px solid var(--lightGrey-color);text-align:center}.tabs>a.active,.tabs>a:hover{opacity:1;border-bottom:2px solid #555}.tabs>a.active{border-color:var(--primary-color)}.pull-right{float:right}.pull-left{float:left}.is-text-center{text-align:center}.is-text-left{text-align:left}.is-text-right{text-align:right}.is-text-uppercase{text-transform:uppercase}.is-text-lowercase{text-transform:lowercase}.is-text-capitalize{text-transform:capitalize}.is-full-screen{width:100%;min-height:100vh}.is-full-width{width:100%}.is-vertical-align{display:flex;align-items:center}.is-center,.is-horizontal-align{display:flex;justify-content:center}.is-center{align-items:center}.is-right{justify-content:flex-end}.is-left,.is-right{display:flex;align-items:center}.is-left{justify-content:flex-start}.is-fixed{position:fixed;width:100%}.is-paddingless{padding:0!important}.is-marginless{margin:0!important}.clearfix{content:"";display:table;clear:both}@media screen and (max-width:480px){.hide-phone{display:none}}@media screen and (max-width:768px){.hide-tablet{display:none}}
\ No newline at end of file
+/*! chota.css | MIT License | github.com/jenil/chota */:root{--primary-color:#1a9f60;--lightGrey-color:#ddd;--grid-maxWidth:120rem;--grid-gutter:2rem;--font-family:-apple-system,BlinkMacSystemFont,Avenir,"Avenir Next","Segoe UI","Roboto","Oxygen","Ubuntu","Cantarell","Fira Sans","Droid Sans","Helvetica Neue",sans-serif}*{box-sizing:border-box}html{font-size:62.5%;line-height:1.15;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}body{letter-spacing:.01em;line-height:1.6;font-size:1.6rem;font-weight:400;font-family:Segoe UI,Helvetica Neue,san-serif;font-family:var(--font-family);margin:0;padding:0}h1,h2,h3,h4,h5,h6{font-weight:500;margin:.35em 0 .7em}h1{font-size:2em}h2{font-size:1.75em}h3{font-size:1.5em}h4{font-size:1.25em}h5{font-size:1em}h6{font-size:.85em}a{color:var(--primary-color);text-decoration:none}a:hover:not(.button){opacity:.6}p{margin-top:0}blockquote{background-color:#f3f3f3;padding:1.5rem 2rem;border-left:3px solid var(--lightGrey-color)}dl dt{font-weight:700}hr{background-color:var(--lightGrey-color);height:1px;margin:1rem 0}hr,table{border:none}table{width:100%;border-collapse:collapse;border-spacing:0;text-align:left}td,th{vertical-align:middle;padding:1.2rem .4rem}thead{border-bottom:2px solid var(--lightGrey-color)}tfoot{border-top:2px solid var(--lightGrey-color)}code,kbd,pre,samp,tt{font-family:monaco,Consolas,Lucida Console,monospace}code,kbd{padding:0 .4rem;font-size:90%;white-space:pre-wrap;border-radius:4px;color:#c62424;padding:.2em .4em}code,kbd,pre{background-color:#f7f7f7}pre{font-size:1em;padding:1rem}pre code{background:none;padding:0}abbr[title]{border-bottom:none;text-decoration:underline;text-decoration:underline dotted}img{max-width:100%}fieldset,iframe{border:1px solid var(--lightGrey-color)}.container{max-width:var(--grid-maxWidth);margin:0 auto;width:96%;padding:0 calc(var(--grid-gutter) / 2)}.row{display:flex;flex-flow:row wrap;justify-content:flex-start;margin-left:calc(var(--grid-gutter) / -2);margin-right:calc(var(--grid-gutter) / -2)}.col{flex:1}.col,[class*=" col-"],[class^=col-]{margin:0 calc(var(--grid-gutter) / 2) calc(var(--grid-gutter) / 2)}.col-1{flex:0 0 calc((100% / (12/1)) - var(--grid-gutter));max-width:calc((100% / (12/1)) - var(--grid-gutter))}.col-2{flex:0 0 calc((100% / (12/2)) - var(--grid-gutter));max-width:calc((100% / (12/2)) - var(--grid-gutter))}.col-3{flex:0 0 calc((100% / (12/3)) - var(--grid-gutter));max-width:calc((100% / (12/3)) - var(--grid-gutter))}.col-4{flex:0 0 calc((100% / (12/4)) - var(--grid-gutter));max-width:calc((100% / (12/4)) - var(--grid-gutter))}.col-5{flex:0 0 calc((100% / (12/5)) - var(--grid-gutter));max-width:calc((100% / (12/5)) - var(--grid-gutter))}.col-6{flex:0 0 calc((100% / (12/6)) - var(--grid-gutter));max-width:calc((100% / (12/6)) - var(--grid-gutter))}.col-7{flex:0 0 calc((100% / (12/7)) - var(--grid-gutter));max-width:calc((100% / (12/7)) - var(--grid-gutter))}.col-8{flex:0 0 calc((100% / (12/8)) - var(--grid-gutter));max-width:calc((100% / (12/8)) - var(--grid-gutter))}.col-9{flex:0 0 calc((100% / (12/9)) - var(--grid-gutter));max-width:calc((100% / (12/9)) - var(--grid-gutter))}.col-10{flex:0 0 calc((100% / (12/10)) - var(--grid-gutter));max-width:calc((100% / (12/10)) - var(--grid-gutter))}.col-11{flex:0 0 calc((100% / (12/11)) - var(--grid-gutter));max-width:calc((100% / (12/11)) - var(--grid-gutter))}.col-12{flex:0 0 calc((100% / (12/12)) - var(--grid-gutter));max-width:calc((100% / (12/12)) - var(--grid-gutter))}@media screen and (max-width:768px){.container{width:100%}.col,[class*=" col-"],[class^=col-]{flex:0 1 100%;max-width:100%}}fieldset{padding:.5rem 2rem}legend{text-transform:uppercase;font-size:.8em;letter-spacing:.1rem}input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]),select,textarea,textarea[type=text]{font-family:inherit;padding:.7rem 1rem;border-radius:4px;border:1px solid var(--lightGrey-color);font-size:1em;transition:all .2s ease;display:block;width:100%}input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]):hover,select:hover,textarea:hover,textarea[type=text]:hover{border-color:#aaa}input:not([type=checkbox]):not([type=radio]):not([type=submit]):not([type=color]):not([type=button]):not([type=reset]):focus,select:focus,textarea:focus,textarea[type=text]:focus{outline:none;border-color:var(--primary-color)}select{-webkit-appearance:none;background-color:#fafafa;border:1px solid var(--lightGrey-color);background-position:100%;background-repeat:no-repeat;background-size:1ex;background-origin:content-box;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='60' height='40' fill='#555'><polygon points='0,0 60,0 30,40'/></svg>")}[type=checkbox],[type=radio]{-webkit-appearance:none;width:1.6rem;height:1.6rem;margin:-.2rem .2rem;border:1px solid #aaa}[type=radio]{border-radius:50%;box-shadow:inset 0 0 0 3px #fff}[type=radio]:checked{background-color:var(--primary-color)}[type=checkbox]:checked{background:url("data:image/png;base64,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") var(--primary-color) no-repeat 50%;background-size:1rem}.button,[type=button],[type=reset],[type=submit],button{padding:1rem 2.5rem;color:#333;background:#e6e6e6;border-radius:4px;border:none;font-size:1.5rem;line-height:1;text-align:center;transition:all .2s ease;text-decoration:none;transform:scale(1);transition:all .3s;display:inline-block}.button+.button{margin-left:1rem}.button:hover,[type=button]:hover,[type=reset]:hover,[type=submit]:hover,button:hover{opacity:.8}.button:active,[type=button]:active,[type=reset]:active,[type=submit]:active,button:active{transform:scale(.98)}button[disabled],button[disabled]:hover,input[disabled],input[disabled]:hover{opacity:.4;cursor:not-allowed}.button.primary,[type=submit]{color:#fff;background:var(--primary-color)}.button.outline{background-color:transparent;border:1px solid var(--lightGrey-color)}.button.outline.primary{border-color:var(--primary-color);color:var(--primary-color)}.button.clear{background-color:transparent;border-color:transparent;color:var(--primary-color)}.nav{display:flex;min-height:5rem;align-items:stretch}.nav img{max-height:3rem}.nav>.container{display:flex}.nav-center,.nav-left,.nav-right{display:flex;flex:1}.nav-left{justify-content:flex-start}.nav-right{justify-content:flex-end}.nav-center{justify-content:center}@media screen and (max-width:480px){.nav,.nav>.container{flex-direction:column}.nav-center,.nav-left,.nav-right{flex-wrap:wrap;justify-content:center}}.nav .brand,.nav a{text-decoration:none;display:flex;align-items:center;padding:1rem 2rem}.nav .brand{margin:0;padding-top:0;padding-bottom:0}.nav .brand a{padding:0}.nav .button{margin:auto 1rem}.card{padding:1rem 2rem;border-radius:4px;box-shadow:0 0 2px rgba(0,0,0,.4)}.card header>*{margin-top:0;margin-bottom:1rem}.tabs{display:flex}.tabs a{text-decoration:none}.tabs>a{padding:1rem 2rem;flex:0 1 auto;color:#555;border-bottom:2px solid var(--lightGrey-color);text-align:center}.tabs>a.active,.tabs>a:hover{opacity:1;border-bottom:2px solid #555}.tabs>a.active{border-color:var(--primary-color)}.tabs.is-full a{flex:1}.pull-right{float:right}.pull-left{float:left}.is-text-center{text-align:center}.is-text-left{text-align:left}.is-text-right{text-align:right}.is-text-uppercase{text-transform:uppercase}.is-text-lowercase{text-transform:lowercase}.is-text-capitalize{text-transform:capitalize}.is-full-screen{width:100%;min-height:100vh}.is-full-width{width:100%}.is-vertical-align{display:flex;align-items:center}.is-center,.is-horizontal-align{display:flex;justify-content:center}.is-center{align-items:center}.is-right{justify-content:flex-end}.is-left,.is-right{display:flex;align-items:center}.is-left{justify-content:flex-start}.is-fixed{position:fixed;width:100%}.is-paddingless{padding:0!important}.is-marginless{margin:0!important}.clearfix{content:"";display:table;clear:both}@media screen and (max-width:480px){.hide-phone{display:none}}@media screen and (max-width:768px){.hide-tablet{display:none}}
\ No newline at end of file
diff --git a/src/_base.css b/src/_base.css
index 3eb4efa..50ed8b7 100644
--- a/src/_base.css
+++ b/src/_base.css
@@ -22,6 +22,7 @@ body {
     line-height: 1.6;
     font-size: 1.6rem;
     font-weight: 400;
+    font-family: "Segoe UI", "Helvetica Neue", san-serif; /*fallback*/
     font-family: var(--font-family);
     margin: 0;
     padding: 0;
diff --git a/src/_nav.css b/src/_nav.css
index 8e2df0e..1a8c24f 100644
--- a/src/_nav.css
+++ b/src/_nav.css
@@ -4,7 +4,11 @@
     align-items: stretch;
 }
 
-.nav > .container {
+.nav img {
+    max-height: 3rem;
+}
+
+.nav>.container {
     display: flex;
 }
 
@@ -12,9 +16,7 @@
 .nav-left,
 .nav-right {
     display: flex;
-    flex-basis: 0;
-    flex-grow: 1;
-    flex-shrink: 0;
+    flex: 1;
 }
 
 .nav-left {
@@ -30,22 +32,16 @@
 }
 
 @media screen and (max-width: 480px) {
-  .nav, .nav>.container {
-    flex-direction: column;
-  }
-  .nav-center,
-  .nav-left,
-  .nav-right {
-    flex-basis: 100%;
-    justify-content: center;
-    flex-shrink: 1;
-    flex-grow: 0;
-    flex-wrap: wrap;
-  }
-}
-
-.nav .brand {
-    margin: 0;
+    .nav,
+    .nav>.container {
+        flex-direction: column;
+    }
+    .nav-center,
+    .nav-left,
+    .nav-right {
+        flex-wrap: wrap;
+        justify-content: center;
+    }
 }
 
 .nav a,
@@ -53,5 +49,19 @@
     text-decoration: none;
     display: flex;
     align-items: center;
-    padding: 0 2rem;
+    padding: 1rem 2rem;
+}
+
+.nav .brand {
+    margin: 0;
+    padding-top: 0;
+    padding-bottom: 0;
+}
+
+.nav .brand a {
+    padding: 0;
+}
+
+.nav .button {
+    margin: auto 1rem;
 }
diff --git a/src/_tab.css b/src/_tab.css
index 6016372..be71690 100644
--- a/src/_tab.css
+++ b/src/_tab.css
@@ -8,7 +8,7 @@
 
 .tabs > a {
     padding: 1rem 2rem;
-    flex: 1;
+    flex: 0 1 auto;
     color: #555;
     border-bottom: 2px solid var(--lightGrey-color);
     text-align: center;
@@ -23,3 +23,7 @@
 .tabs > a.active {
     border-color: var(--primary-color);
 }
+
+.tabs.is-full a {
+    flex: 1;
+}
diff --git a/src/chota.css b/src/chota.css
index 4658a65..44416a5 100644
--- a/src/chota.css
+++ b/src/chota.css
@@ -1,3 +1,4 @@
+/*! chota.css | MIT License | github.com/jenil/chota */
 @import "_base.css";
 @import "_grid.css";
 @import "_form.css";
diff --git a/test/components.html b/test/components.html
index 4d14c02..50c1d49 100644
--- a/test/components.html
+++ b/test/components.html
@@ -6,6 +6,11 @@
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Grids</title>
   <link rel="stylesheet" href="../dist/chota.min.css">
+  <style>
+    .nav {
+      border: 1px solid red;
+    }
+  </style>
 </head>
 
 <body>
@@ -17,7 +22,7 @@
         </h2>
       </div>
       <div class="nav-center">
-        <a href="#">Centered</a>
+        <a class="button outline" href="#">Centered</a>
       </div>
       <div class="nav-right">
         <a href="#!1.html">Link 1</a>
@@ -26,6 +31,22 @@
       </div>
     </div>
   </nav>
+  <br>
+  <nav class="nav">
+    <div class="nav-left">
+      <h2 class="brand">
+        <a href="#">Logo</a>
+      </h2>
+    </div>
+    <div class="nav-center">
+      <a href="#">Centered</a>
+    </div>
+    <div class="nav-right">
+      <a href="#!1.html">Link 1</a>
+      <a href="#!2.html">Link 2</a>
+      <a href="#!3.html">Link 3</a>
+    </div>
+  </nav>
   <div class="container">
     <h1>Nav</h1>
     <nav class="nav">
@@ -33,17 +54,48 @@
         <a href="#!1.html">Link 1</a>
         <a href="#!2.html">Link 2</a>
         <a href="#!3.html">Link 3</a>
+        <a href="#!" class="button primary">Button</a>
       </div>
     </nav>
-    <h1>Tabs</h1>
-    <div class="row is-center">
-      <div class="col-5">
+    <br><hr><br>
+    <nav class="nav">
+      <div class="nav-left">
+        <h3 class="brand"><a href="#">Brand</a></h3>
+      </div>
+      <div class="nav-right">
         <div class="tabs">
-          <a class="active" href="#!1.html">Tab 1</a>
-          <a href="#!2.html">Tab 2</a>
-          <a href="#!3.html">Tab 3</a>
+          <a href="#!1.html">Link 1</a>
+          <a href="#!2.html">Link 2</a>
+          <a href="#!3.html">Link 3</a>
         </div>
       </div>
+    </nav>
+    <br><hr><br>
+    <nav class="nav">
+      <div class="nav-left">
+        <a class="brand" href="#">
+          <img src="https://www.google.com/images/branding/googlelogo/1x/googlelogo_color_272x92dp.png" alt="">
+        </a>
+        <div class="tabs">
+          <a href="#!1.html">Link 1</a>
+          <a href="#!2.html">Link 2</a>
+          <a href="#!3.html">Link 3</a>
+        </div>
+      </div>
+    </nav>
+    <br><hr><br>
+    
+    <h1>Tabs</h1>
+    <div class="tabs">
+      <a class="active" href="#!1.html">Tab 1</a>
+      <a href="#!2.html">Tab 2</a>
+      <a href="#!3.html">Tab 3</a>
+    </div>
+    <br> <hr> <br>
+    <div class="tabs is-full">
+      <a class="active" href="#!1.html">Tab 1</a>
+      <a href="#!2.html">Tab 2</a>
+      <a href="#!3.html">Tab 3</a>
     </div>
     <h1>Card</h1>
     <div class="row is-center">