a, abbr, acronym, address, applet, article, aside, audio, b, big, blockquote, body, canvas, caption, center, cite, code, dd, del, details, dfn, div, dl, dt, em, embed, fieldset, figcaption, figure, footer, form, h1, h2, h3, h4, h5, h6, header, hgroup, html, i, iframe, img, ins, kbd, label, legend, li, mark, menu, nav, object, ol, output, p, pre, q, ruby, s, samp, section, small, span, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, time, tr, tt, u, ul, var, video {
    margin: 0;
    padding: 0;
    border: 0;
    font: inherit;
    vertical-align: baseline
}

article, aside, details, figcaption, figure, footer, header, hgroup, main, menu, nav, section {
    display: block
}

body {
    line-height: 1;
    font-size: 1.6rem;
    font-family: "Open Sans", sans-serif;
    background-color: #e7e7e7
}

ol, ul {
    list-style: none
}

blockquote, q {
    quotes: none
}

blockquote:after, blockquote:before, q:after, q:before {
    content: '';
    content: none
}

.cd-main-content:after, .cd-tab-filter-wrapper:after {
    content: "";
    display: table;
    clear: both
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

*, ::after, ::before {
    -webkit-box-sizing: border-box;
            box-sizing: border-box
}

html {
    font-size: 62.5%
}

html * {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale
}

a {
    color: #41307c;
    text-decoration: none
}

.cd-header {
    position: relative;
    height: 150px
}

.cd-header h1 {
    color: #fff;
    font-size: 2.4rem;
    font-weight: 300
}

@media only screen and (min-width:1170px) {
    .cd-header {
        height: 180px
    }
    .cd-header h1 {
        line-height: 180px
    }
}

.cd-main-content {
    position: relative;
    min-height: 100vh
}

.cd-main-content.is-fixed .cd-tab-filter-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%
}

.cd-main-content.is-fixed .cd-gallery {
    padding-top: 76px
}

.cd-main-content.is-fixed .cd-filter {
    position: fixed;
    height: 100vh;
    overflow: hidden
}

.cd-main-content.is-fixed .cd-filter form {
    height: 100vh;
    overflow: auto;
    -webkit-overflow-scrolling: touch
}

.cd-main-content.is-fixed .cd-filter-trigger {
    position: fixed
}

@media only screen and (min-width:768px) {
    .cd-main-content.is-fixed .cd-gallery {
        padding-top: 90px
    }
}

@media only screen and (min-width:1170px) {
    .cd-main-content.is-fixed .cd-gallery {
        padding-top: 75pt
    }
}

.cd-tab-filter-wrapper {
    background-color: #fff;
    -webkit-box-shadow: 0 1px 1px rgba(0, 0, 0, .08);
            box-shadow: 0 1px 1px rgba(0, 0, 0, .08);
    z-index: 1
}

.cd-tab-filter {
    position: relative;
    height: 50px;
    width: 140px;
    margin: 0 auto;
    z-index: 1
}

.cd-tab-filter::after {
    content: '';
    position: absolute;
    right: 14px;
    top: 50%;
    bottom: auto;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%);
    display: inline-block;
    width: 1pc;
    height: 1pc;
    background: url(../img/cd-icon-arrow.svg) center center no-repeat;
    -webkit-transition: all .3s;
    transition: all .3s;
    pointer-events: none
}

.cd-tab-filter ul {
    position: absolute;
    top: 0;
    left: 0;
    background-color: #fff;
    -webkit-box-shadow: inset 0 -2px 0 #41307c;
            box-shadow: inset 0 -2px 0 #41307c
}

.cd-tab-filter li {
    display: none
}

.cd-tab-filter li:first-child {
    display: block
}

.cd-tab-filter a {
    display: block;
    height: 50px;
    width: 140px;
    line-height: 50px;
    padding-left: 14px
}

.cd-tab-filter a.selected {
    background: #41307c;
    color: #fff
}

.cd-tab-filter.is-open::after {
    -webkit-transform: translateY(-50%) rotate(-180deg);
    transform: translateY(-50%) rotate(-180deg)
}

.cd-tab-filter.is-open ul {
    -webkit-box-shadow: inset 0 -2px 0 #41307c, 0 2px 10px rgba(0, 0, 0, .2);
            box-shadow: inset 0 -2px 0 #41307c, 0 2px 10px rgba(0, 0, 0, .2)
}

.cd-tab-filter.is-open ul li {
    display: block
}

.cd-tab-filter.is-open .placeholder a {
    opacity: .4
}

@media only screen and (min-width:768px) {
    .cd-tab-filter {
        width: auto;
        cursor: auto
    }
    .cd-tab-filter::after {
        display: none
    }
    .cd-tab-filter ul {
        background: 0 0;
        position: static;
        -webkit-box-shadow: none;
                box-shadow: none;
        text-align: center
    }
    .cd-tab-filter li {
        display: inline-block
    }
    .cd-tab-filter li.placeholder {
        display: none!important
    }
    .cd-tab-filter a, .cd-tab-filter.is-open ul li {
        display: inline-block
    }
    .cd-tab-filter a {
        padding: 0 1em;
        width: auto;
        color: #9a9a9a;
        text-transform: uppercase;
        font-weight: 700;
        font-size: 1.3rem
    }
    .no-touch .cd-tab-filter a:hover {
        color: #41307c
    }
    .cd-tab-filter a.selected {
        background: 0 0;
        color: #41307c;
        -webkit-box-shadow: inset 0 -2px 0 #41307c;
                box-shadow: inset 0 -2px 0 #41307c
    }
}

.cd-filter, .cd-filter::before {
    position: absolute;
    top: 0;
    z-index: 2;
    left: 0
}

@media only screen and (min-width:1170px) {
    .cd-tab-filter {
        width: 100%;
        float: right;
        margin: 0;
        -webkit-transition: width .3s;
        transition: width .3s
    }
    .cd-tab-filter.filter-is-visible {
        width: 80%
    }
}

.cd-gallery {
    padding: 26px 5%;
    width: 100%
}

.cd-gallery li {
    margin-bottom: 1.6em;
    -webkit-box-shadow: 0 1px 4px rgba(0, 0, 0, .1);
            box-shadow: 0 1px 4px rgba(0, 0, 0, .1);
    display: none
}

.cd-gallery li.gap {
    opacity: 0;
    height: 0;
    display: inline-block
}

.cd-gallery img {
    display: block;
    width: 100%
}

.cd-gallery .cd-fail-message {
    display: none;
    text-align: center
}

@media only screen and (min-width:768px) {
    .cd-gallery {
        padding: 40px 3%
    }
    .cd-gallery ul {
        text-align: justify
    }
    .cd-gallery ul:after {
        content: "";
        display: table;
        clear: both
    }
    .cd-gallery li {
        width: 48%;
        margin-bottom: 2em
    }
}

@media only screen and (min-width:1170px) {
    .cd-gallery {
        padding: 50px 2%;
        float: right;
        -webkit-transition: width .3s;
        transition: width .3s
    }
    .cd-gallery li {
        width: 23%
    }
    .cd-gallery.filter-is-visible {
        width: 80%
    }
}

.cd-filter {
    width: 280px;
    height: 100%;
    background: #fff;
    -webkit-box-shadow: 4px 4px 20px transparent;
            box-shadow: 4px 4px 20px transparent;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
    -webkit-transition: -webkit-transform .3s, box-shadow .3s;
    -webkit-transition: -webkit-transform .3s, -webkit-box-shadow .3s;
    transition: -webkit-transform .3s, -webkit-box-shadow .3s;
    transition: transform .3s, box-shadow .3s;
    transition: transform .3s, box-shadow .3s, -webkit-transform .3s, -webkit-box-shadow .3s
}

.cd-filter::before {
    content: '';
    height: 50px;
    width: 100%
}

.cd-filter .cd-close, .cd-filter-trigger {
    position: absolute;
    top: 0;
    height: 50px;
    line-height: 50px;
    z-index: 3
}

.cd-filter form {
    padding: 70px 20px
}

.cd-filter .cd-close {
    right: 0;
    width: 60px;
    color: #fff;
    font-size: 1.3rem;
    text-align: center;
    opacity: 0;
    -webkit-transition: opacity .3s;
    transition: opacity .3s
}

.no-touch .cd-filter .cd-close:hover {
    background: #32255f
}

.cd-filter.filter-is-visible {
    -webkit-transform: translateX(0);
    transform: translateX(0);
    -webkit-box-shadow: 4px 4px 20px rgba(0, 0, 0, .2);
            box-shadow: 4px 4px 20px rgba(0, 0, 0, .2)
}

.cd-filter.filter-is-visible .cd-close {
    opacity: 1
}

@media only screen and (min-width:1170px) {
    .cd-filter {
        width: 20%
    }
    .cd-filter form {
        padding: 70px 10%
    }
}

.cd-filter-trigger {
    left: 0;
    width: 60px;
    overflow: hidden;
    text-indent: 100%;
    color: transparent;
    white-space: nowrap;
    background: url(../img/cd-icon-filter.svg) center center no-repeat
}

.cd-filter-block .cd-select::after, .cd-filter-block h4::before {
    top: 50%;
    -webkit-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    content: ''
}

.cd-filter-trigger.filter-is-visible {
    pointer-events: none
}

@media only screen and (min-width:1170px) {
    .cd-filter-trigger {
        width: auto;
        left: 2%;
        text-indent: 0;
        color: #9a9a9a;
        text-transform: uppercase;
        font-size: 1.3rem;
        font-weight: 700;
        padding-left: 24px;
        background-position: left center;
        -webkit-transition: color .3s;
        transition: color .3s
    }
    .no-touch .cd-filter-trigger:hover {
        color: #41307c
    }
    .cd-filter-trigger.filter-is-visible, .cd-filter-trigger.filter-is-visible:hover {
        color: #fff
    }
}

.cd-filter-block {
    margin-bottom: 1.6em
}

.cd-filter-block h4 {
    position: relative;
    margin-bottom: .2em;
    padding: 10px 0 10px 20px;
    color: #9a9a9a;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 1.3rem;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    cursor: pointer
}

.no-touch .cd-filter-block h4:hover {
    color: #41307c
}

.cd-filter-block h4::before {
    position: absolute;
    left: 0;
    width: 1pc;
    height: 1pc;
    background: url(../img/cd-icon-arrow.svg) center center no-repeat;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    -webkit-transition: -webkit-transform .3s;
    transition: -webkit-transform .3s;
    transition: transform .3s;
    transition: transform .3s, -webkit-transform .3s
}

.cd-filter-block h4.closed::before {
    -webkit-transform: translateY(-50%) rotate(-90deg);
    transform: translateY(-50%) rotate(-90deg)
}

.cd-filter-block .checkbox-label::before, .cd-filter-block .radio-label::before, .cd-filter-block input, .cd-filter-block select {
    font-family: "Open Sans", sans-serif;
    border-radius: 0;
    background-color: #fff;
    border: 2px solid #e6e6e6
}

.cd-filter-block input[type=search], .cd-filter-block input[type=text], .cd-filter-block select {
    width: 100%;
    padding: .8em;
    -webkit-appearance: none;
    -moz-appearance: none;
    -ms-appearance: none;
    -o-appearance: none;
    appearance: none;
    -webkit-box-shadow: none;
            box-shadow: none
}

.cd-filter-block input[type=search]:focus, .cd-filter-block input[type=text]:focus, .cd-filter-block select:focus {
    outline: 0;
    background-color: #fff;
    border-color: #41307c
}

.cd-filter-block input[type=search] {
    border-color: transparent;
    background-color: #e6e6e6;
    font-size: 1.6rem!important
}

.cd-filter-block input[type=search]::-webkit-search-cancel-button {
    display: none
}

.cd-filter-block .cd-select {
    position: relative
}

.cd-filter-block .cd-select::after {
    position: absolute;
    z-index: 1;
    right: 14px;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
    display: block;
    width: 1pc;
    height: 1pc;
    background: url(../img/cd-icon-arrow.svg) center center no-repeat;
    pointer-events: none
}

.cd-filter-block select {
    cursor: pointer;
    font-size: 1.4rem
}

.cd-filter-block select::-ms-expand {
    display: none
}

.cd-filter-block .list li {
    position: relative;
    margin-bottom: .8em
}

.cd-filter-block .list li:last-of-type {
    margin-bottom: 0
}

.cd-filter-block input[type=checkbox], .cd-filter-block input[type=radio] {
    position: absolute;
    left: 0;
    top: 0;
    margin: 0;
    padding: 0;
    opacity: 0;
    z-index: 2
}

.cd-filter-block .checkbox-label, .cd-filter-block .radio-label {
    padding-left: 24px;
    font-size: 1.4rem;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

.cd-filter-block .checkbox-label::after, .cd-filter-block .checkbox-label::before, .cd-filter-block .radio-label::after, .cd-filter-block .radio-label::before {
    content: '';
    display: block;
    position: absolute;
    top: 50%;
    -webkit-transform: translateY(-50%);
    transform: translateY(-50%)
}

.cd-filter-block .checkbox-label::before, .cd-filter-block .radio-label::before {
    width: 1pc;
    height: 1pc;
    left: 0
}

.cd-filter-block .checkbox-label::after, .cd-filter-block .radio-label::after {
    display: none
}

.cd-filter-block .checkbox-label::after {
    width: 1pc;
    height: 1pc;
    background: url(../img/cd-icon-check.svg) center center no-repeat
}

.cd-filter-block .radio-label::after, .cd-filter-block .radio-label::before {
    border-radius: 50%
}

.cd-filter-block .radio-label::after {
    width: 6px;
    height: 6px;
    background-color: #fff;
    left: 5px
}

.cd-filter-block input[type=checkbox]:checked+label::before, .cd-filter-block input[type=radio]:checked+label::before {
    border-color: #41307c;
    background-color: #41307c
}

.cd-filter-block input[type=checkbox]:checked+label::after, .cd-filter-block input[type=radio]:checked+label::after {
    display: block
}

@-moz-document url-prefix() {
    .cd-filter-block .cd-select::after {
        display: none
    }
}

:active, :focus, a, a:active, a:focus {
    outline: 0
}

input::-moz-focus-inner {
    border: 0
}

code[class*=language-], pre[class*=language-] {
    font-size: 10px
}

body {
    color: #75715e
}

.github-int {
    margin-top: 30px
}

.gogh-content {
    width: 70%;
    margin: 30px auto 40px
}

.gogh-content h2 {
    font-size: 26px;
    margin-bottom: 30px;
    color: #595647
}

.gogh-content h3 {
    font-size: 22px;
    margin: 30px 0 20px;
    color: #595647
}

.gogh-content code[class*=language-], .gogh-content pre[class*=language-] {
    font-size: 14px;
    margin: 0
}

.cd-header h1 {
    line-height: 30px;
    text-align: center
}

.cd-header h1 span {
    color: #fff;
    text-indent: 100%;
    white-space: nowrap;
    overflow: hidden;
    display: block
}

.cd-filter::before {
    background-color: #66d9ef
}

.cd-filter .cd-close {
    background: #f92672
}

.cd-gallery h3 {
    margin: 15px 0 15px 30px
}

.cd-header {
    text-align: center;
    background-color: #fff
}

@media only screen and (min-width:768px) {
    .cd-tab-filter a {
        color: #f92672
    }
    .no-touch .cd-tab-filter a:hover {
        color: #75715e
    }
    .cd-tab-filter a.selected {
        color: #75715e;
        -webkit-box-shadow: inset 0 -2px 0 #75715e;
                box-shadow: inset 0 -2px 0 #75715e
    }
}

/**
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
 * ·······  code
 * ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░
 */
.code-wrap {
    position: relative;
    margin-top: 15px;
}
.code-wrap .btn-copy {
    position: absolute;
    top: 0;
    right: 0;
    padding: 3px 5px 2px 7px;
    display: inline-block;
    border: 1px solid #d8d8d8;
    border-radius: 3px;
    background-color:  #F5F2F0;    
}
.code-wrap .btn-copy:hover {
    background-color:  #d8d8d8;
}
.code-wrap .btn-copy:active {
    background-color:  #ffffff;
}
.code-wrap .btn-copy img {
    width: 15px;
}