diff --git a/dist/chota.css b/dist/chota.css
index c24ea61..bf2b3c0 100644
--- a/dist/chota.css
+++ b/dist/chota.css
@@ -1,7 +1,7 @@
 /*! chota.css | MIT License | github.com/jenil/chota */
 :root{
     --primary-color:#1a9f60;
-    --lightGrey-color:#ddd;
+    --lightGrey-color:#d2d6dd;
     --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;
@@ -106,6 +106,7 @@ code,kbd,pre{
 pre{
     font-size:1em;
     padding:1rem;
+    overflow-x:auto;
 }
 pre code{
     background:none;
@@ -244,10 +245,9 @@ select{
     font-size:1.5rem;
     line-height:1;
     text-align:center;
-    transition:all .2s ease;
+    transition:opacity .2s ease;
     text-decoration:none;
     transform:scale(1);
-    transition:all .3s;
     display:inline-block;
 }
 .button+.button{
diff --git a/dist/chota.min.css b/dist/chota.min.css
index d7f0629..93ec47f 100644
--- a/dist/chota.min.css
+++ b/dist/chota.min.css
@@ -1 +1 @@
-/*! 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:#fafafa no-repeat 100%;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]{width:1.6rem;height:1.6rem}.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-color:#000;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;color:#555}.nav .active:not(.button){color:#000;color:var(--primary-color)}.nav .brand{font-size:1.75em;padding-top:0;padding-bottom:0}.nav .button{margin:auto 1rem}.card{padding:1rem 2rem;border-radius:4px;box-shadow:0 0 2px rgba(0,0,0,.4)}.card p:last-child{margin:0}.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}.is-hidden{display:none!important}@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:#d2d6dd;--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;overflow-x:auto}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:#fafafa no-repeat 100%;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]{width:1.6rem;height:1.6rem}.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:opacity .2s ease;text-decoration:none;transform:scale(1);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-color:#000;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;color:#555}.nav .active:not(.button){color:#000;color:var(--primary-color)}.nav .brand{font-size:1.75em;padding-top:0;padding-bottom:0}.nav .button{margin:auto 1rem}.card{padding:1rem 2rem;border-radius:4px;box-shadow:0 0 2px rgba(0,0,0,.4)}.card p:last-child{margin:0}.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}.is-hidden{display:none!important}@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 50ed8b7..605ec22 100644
--- a/src/_base.css
+++ b/src/_base.css
@@ -1,6 +1,6 @@
 :root {
     --primary-color: #1a9f60;
-    --lightGrey-color: #ddd;
+    --lightGrey-color: #d2d6dd;
     --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;
@@ -137,6 +137,7 @@ pre {
     background-color: #f7f7f7;
     font-size: 1em;
     padding: 1rem;
+    overflow-x: auto;
 }
 
 pre code {
diff --git a/src/_form.css b/src/_form.css
index 24ee6ab..846c3d5 100644
--- a/src/_form.css
+++ b/src/_form.css
@@ -65,10 +65,9 @@ button {
     font-size: 1.5rem;
     line-height: 1;
     text-align: center;
-    transition: all 0.2s ease;
+    transition: opacity 0.2s ease;
     text-decoration: none;
     transform: scale(1);
-    transition: all 300ms;
     display: inline-block;
 }
 
diff --git a/test/index.html b/test/index.html
index 851e94a..6c5fb6b 100644
--- a/test/index.html
+++ b/test/index.html
@@ -209,7 +209,8 @@
   @ A B C D E F G H I J K L M N O
   P Q R S T U V W X Y Z [ \ ] ^ _
   ` a b c d e f g h i j k l m n o
-  p q r s t u v w x y z { | } ~ </pre>
+  p q r s t u v w x y z { | } ~
+  ~ 0 1 2 3 4 5 6 7 8 9 : ; &lt; = &gt; ? @ A B C D E F G H I J K L M N O P Q R S T U V W X Y Z [ \ ] ^ _ ` a b c d e f g h i j k l m n o p q r s t u v w x y z { | } ~ </pre>
   <pre><code>&#x3C;h2&#x3E;Pre-formatted text&#x3C;/h2&#x3E;</code></pre>
           </div>
           <footer>