*, *:after, *:before { -webkit-box-sizing: border-box; -moz-box-sizing: border-box; box-sizing: border-box; }
body, html { font-size: 100%; padding: 0; margin: 0; height: 100%;}

/* Clearfix hack by Nicolas Gallagher: http://nicolasgallagher.com/micro-clearfix-hack/ */
.clearfix:before, .clearfix:after { content: " "; display: table; }
.clearfix:after { clear: both; }

body {
    font-family: "Helvetica Neue",Helvetica,Arial,'Microsoft YaHei',sans-serif,'Lato', Calibri;
    color: #777;
    background: #f6f6f6;
}

a {
    color: #555;
    text-decoration: none;
    outline: none;
}

a:hover,
a:active {
    color: #777;
}

a img {
    border: none;
}

/* Header Style */
.main,
.container > header {
    margin: 0 auto;
    padding: 2em;
}

.container > header {
    text-align: center;
    background: rgba(0,0,0,0.01);
}

.container > header h1 {
    /*font-size: 2.625em;*/
    line-height: 1.3;
    margin: 0;
    font-weight: 300;
}

.container > header span {
    display: block;
    font-size: 60%;
    opacity: 0.3;
    padding: 0 0 0.6em 0.1em;
}

/* Main Content */
.main {
    max-width: 69em;
}

.column {
    float: left;
    width: 50%;
    padding: 0 2em;
    min-height: 300px;
    position: relative;
}

.column:nth-child(2) {
    box-shadow: -1px 0 0 rgba(0,0,0,0.1);
}

.column p {
    font-weight: 300;
    font-size: 2em;
    padding: 0;
    margin: 0;
    text-align: right;
    line-height: 1.5;
}

/* To Navigation Style */
.codrops-top {
    background: #fff;
    background: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    width: 100%;
    font-size: 0.69em;
    line-height: 2.2;
}

.codrops-top a {
    padding: 0 1em;
    letter-spacing: 0.1em;
    color: #888;
    display: inline-block;
}

.codrops-top a:hover {
    background: rgba(255,255,255,0.95);
    color: #333;
}

.codrops-top span.right {
    float: right;
}

.codrops-top span.right a {
    float: left;
    display: block;
}

.codrops-icon:before {
    font-family: 'codropsicons';
    margin: 0 4px;
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    -webkit-font-smoothing: antialiased;
}

.codrops-icon-drop:before {
    content: "\e001";
}

.codrops-icon-prev:before {
    content: "\e004";
}

.codrops-icon-archive:before {
    content: "\e002";
}

.codrops-icon-next:before {
    content: "\e000";
}

.codrops-icon-about:before {
    content: "\e003";
}

/* Demo Buttons Style */
.codrops-demos {
    padding-top: 1em;
    font-size: 0.9em;
}

.codrops-demos a {
    display: inline-block;
    margin: 0.2em;
    padding: 0.45em 1em;
    background: #999;
    color: #fff;
    font-weight: 700;
    border-radius: 2px;
}

.codrops-demos a:hover,
.codrops-demos a.current-demo,
.codrops-demos a.current-demo:hover {
    opacity: 0.6;
}

.codrops-nav {
    text-align: center;
}

.codrops-nav a {
    display: inline-block;
    margin: 20px auto;
    padding: 0.3em;
}

/* Demo Styles */

.demo-1 body {
    color: #87968e;
    background: #fff2e3;
}

.demo-1 a {
    color: #72b890;
}

.demo-1 .codrops-demos a {
    background: #72b890;
    color: #fff;
}

.demo-2 body {
    color: #fff;
    background: #c05d8e;
}

.demo-2 a {
    color: #d38daf;
}

.demo-2 a:hover,
.demo-2 a:active {
    color: #fff;
}

.demo-2 .codrops-demos a {
    background: #883b61;
    color: #fff;
}

.demo-2 .codrops-top a:hover {
    background: rgba(255,255,255,0.3);
    color: #333;
}

.demo-3 body {
    color: #87968e;
    background: #fff2e3;
}

.demo-3 a {
    color: #ea5381;
}

.demo-3 .codrops-demos a {
    background: #ea5381;
    color: #fff;
}

.demo-4 body {
    color: #999;
    background: #fff2e3;
    overflow: hidden;
}

.demo-4 a {
    color: #1baede;
}

.demo-4 a:hover,
.demo-4 a:active {
    opacity: 0.6;
}

.demo-4 .codrops-demos a {
    background: #1baede;
    color: #fff;
}

.demo-5 body {
    background: #fffbd6;
}
/****/
.related {
    margin-top: 5em;
    color: #fff;
    background: #333;
    text-align: center;
    font-size: 1.25em;
    padding: 3em 0;
    overflow: hidden;
}

.related a {
    display: inline-block;
    text-align: left;
    margin: 20px auto;
    padding: 10px 20px;
    opacity: 0.8;
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
    -webkit-backface-visibility: hidden;
}

.related a:hover,
.related a:active {
    opacity: 1;
}

.related a img {
    max-width: 100%;
}

.related a h3 {
    font-weight: 300;
    margin-top: 0.15em;
    color: #fff;
}

@media screen and (max-width: 40em) {

    .codrops-icon span {
        display: none;
    }

    .codrops-icon:before {
        font-size: 160%;
        line-height: 2;
    }

}

@media screen and (max-width: 46.0625em) {
    .column {
        width: 100%;
        min-width: auto;
        min-height: auto;
        padding: 1em; 
    }

    .column p {
        text-align: left;
        font-size: 1.5em;
    }

    .column:nth-child(2) {
        box-shadow: 0 -1px 0 rgba(0,0,0,0.1);
    }
}

@media screen and (max-width: 25em) {

    .codrops-icon span {
        display: none;
    }

}padding: 2em;
}

.bb-custom-wrapper {
    width: 420px;
    position: relative;
    margin: 0 auto 40px;
    text-align: center;
}

.bb-custom-wrapper .bb-bookblock {
    box-shadow: 0 12px 20px -10px rgba(81,64,49,0.6);
}

.bb-custom-wrapper h3 {
    font-size: 1.4em;
    font-weight: 300;
    margin: 0.4em 0 1em;
}

.bb-custom-wrapper nav {
    width: 100%;
    height: 30px;
    margin: 1em auto 0;
    position: relative;
    z-index: 0;
    text-align: center;
}

.bb-custom-wrapper nav a {
    display: inline-block;
    width: 30px;
    height: 30px;
    text-align: center;
    border-radius: 2px;
    background: #72b890;
    color: #fff;
    font-size: 0;
    margin: 2px;
}

.bb-custom-wrapper nav a:hover {
    opacity: 0.6;
}

.bb-custom-icon:before {
    font-family: 'arrows';
    speak: none;
    font-style: normal;
    font-weight: normal;
    font-variant: normal;
    text-transform: none;
    line-height: 1;
    font-size: 20px;
    line-height: 30px;
    display: block;
    -webkit-font-smoothing: antialiased;
}

.bb-custom-icon-first:before,
.bb-custom-icon-last:before {
    content: "\e002";
}

.bb-custom-icon-arrow-left:before,
.bb-custom-icon-arrow-right:before {
    content: "\e003";
}

.bb-custom-icon-arrow-left:before,
.bb-custom-icon-first:before {
    -webkit-transform: rotate(180deg);
    -moz-transform: rotate(180deg);
    -ms-transform: rotate(180deg);
    transform: rotate(180deg);
}

/* No JS */
.no-js .bb-custom-wrapper {
    height: auto;
}

.no-js .bb-custom-content {
    height: 470px;
}
.demo-container {
    width: 350px;
    margin: 0 auto;
}
input {
    width: 200px;
    margin: 10px auto;
    display: block;
}