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

.clearfix:before, .clearfix:after {
    display: table;
    content: '';
}

.clearfix:after {
    clear: both;
}

body {
    background: #fff;
    color: #333;
    font-size: 1em;
    font-family: 'Questrial', 'Avenir', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

a {
    outline: none;
    color: rgb(160, 148, 147);
    text-decoration: none;
}

    a:hover, a:focus {
        color: rgb(197, 135, 130);
    }

.mobile-note {
    position: absolute;
    bottom: 1em;
    color: #fff;
    font-size: 1.15em;
    text-align: center;
    width: 100%;
    padding: 1em;
    background: #fb7f93;
    display: none;
    font-family: 'Avenir', 'Helvetica Neue', Helvetica, Arial, sans-serif;
}

/* Header */
.codrops-header {
    text-align: center;
    height: 100vh;
    overflow: hidden;
    background: url(../img/1.jpg) no-repeat center center;
    background-size: auto 100vh;
    display: block;
}

.main {
    width: 90%;
    margin: 0 auto;
    position: relative;
}

.logo {
    text-align: center;
    /* background: url(../img/logo.png) no-repeat center center;*/
    height: 59px;
    width: 245px;
    left: 30vh;
    position: absolute;
    top: 5vh;
}


.github-link {
    font-size: 0.95em;
    position: absolute;
    right: 60px;
    top: 22px;
}

    .github-link span {
        margin: 0 0 0 5px;
    }

.hero {
    position: absolute;
    top: 60px;
    left: 60px;
    bottom: 60px;
    right: 60px;
    overflow: hidden;
}

.hero__imgwrap {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

    .hero__imgwrap::after {
        content: '';
        position: absolute;
        background: rgba(76,0,1,0.1);
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        pointer-events: none;
    }

.hero__img {
    position: absolute;
    top: 50%;
    left: 50%;
    width: auto;
    height: 100vh;
    -webkit-transform: translate3d(-50%,-50%,0);
    transform: translate3d(-50%,-50%,0);
}

.hero__imgwrap .tilt__back,
.hero__imgwrap .tilt__front {
    background-size: auto 100vh;
}

/* Top Navigation Style */
.codrops-links {
    position: absolute;
    z-index: 1000;
    display: inline-block;
    text-align: center;
    font-size: 0.85em;
    white-space: nowrap;
    left: 60px;
    top: 15px;
}

    .codrops-links::after {
        position: absolute;
        top: 0;
        left: 51%;
        width: 1px;
        height: 100%;
        background: rgba(160, 148, 147, 0.5);
        content: '';
        -webkit-transform: rotate3d(0,0,1,22.5deg);
        transform: rotate3d(0,0,1,22.5deg);
    }

.codrops-icon {
    display: inline-block;
    margin: 0.5em;
    padding: 0em 0;
    width: 1.5em;
    text-decoration: none;
}

    .codrops-icon span {
        display: none;
    }

    .codrops-icon:before {
        margin: 0 5px;
        text-transform: none;
        font-weight: normal;
        font-style: normal;
        font-variant: normal;
        font-family: 'codropsicons';
        line-height: 1;
        speak: none;
        -webkit-font-smoothing: antialiased;
    }

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

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

/* Content */
.content {
    /*padding: 4em 0 2em;*/
}

    .content > p {
        max-width: 900px;
        margin: 1em auto;
        padding: 1em 0.5em 0;
    }

    .content p > code {
        background: #ddd;
        display: inline-block;
        padding: 0.25em 0.5em;
        border-radius: 3px;
    }

.content--color-alt {
    background: #EDE8DA;
    color: #A39C88;
}

.poster-headline {
    text-align: center;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 2.65em;
    font-weight: 400;
    margin: 0.25em 0 0.5em;
}

.poster-text {
    font-size: 1.15em;
    text-align: center;
    padding: 1em 0;
    max-width: 1000px;
    margin: 0 auto;
    line-height: 1.5;
    max-width: 800px;
}

/* Grid */
.grid {
    position: relative;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    -webkit-justify-content: center;
    -ms-justify-content: center;
    justify-content: center;
    list-style: none;
    padding: 3em 0 0 0;
    margin: 0 auto;
    max-width: 1020px;
}

.grid__item {
    margin: 0 65px 100px;
    width: 100%;
}

.grid--xray .grid__item {
    margin: 0 20px 20px;
    width: 300px;
}

.grid__item-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1em;
    padding: 1em 0;
    font-weight: bold;
}

    .grid__item-title code {
        color: #aaa;
        font-weight: normal;
        font-size: 0.85em;
    }

.grid--xray .grid__img {
    width: 300px;
    height: 300px;
}

.grid__img img {
    max-width: 100%;
    display: block;
}

.grid__img--border .tilt__back,
.grid__img--border .tilt__front {
    border: 1px solid #333;
}

.grid__img--border .tilt {
    overflow: visible;
}

/* Examples custom styles */
.grid--examples {
    max-width: 830px;
}

    .grid--examples .grid__img {
        position: relative;
        height: 0;
        padding-bottom: 66.714%;
        overflow: hidden;
    }

    .grid--examples .tilt {
        position: absolute;
        top: 0;
    }

.grid__img--example-2::after {
    content: '';
    position: absolute;
    box-shadow: inset 0 0 50px 30px rgba(2,0,37,0.8);
    pointer-events: none;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.grid__img--example-3 .tilt {
    -webkit-filter: grayscale(100%) brightness(105%) contrast(120%);
    filter: grayscale(100%) brightness(105%) contrast(120%);
    -webkit-transition: filter 0.5s, -webkit-filter 0.5s;
    transition: filter 0.5s, -webkit-filter 0.5s;
}

    .grid__img--example-3 .tilt:hover {
        -webkit-filter: none;
        filter: none;
    }

.grid__img--example-4 .tilt {
    width: 120%;
    height: 120%;
    top: -10%;
    left: -10%;
}

/* Definition list */
.def-list {
    max-width: 900px;
    background: #f0f0f0;
    border-radius: 10px;
    margin: 1em auto;
    padding: 3%;
}

    .def-list dt {
        font-family: 'Avenir', 'Helvetica', Arial, sans-serif;
    }

        .def-list dt:not(:first-child) {
            margin-top: 2em;
        }

    .def-list dd {
        margin: 0;
        font-size: 0.95em;
        line-height: 1.4;
    }

/* Related demos */
.content--related {
    text-align: center;
    font-weight: bold;
    padding: 8em 0;
}

.media-item {
    display: inline-block;
    padding: 1em;
    vertical-align: top;
    -webkit-transition: color 0.3s;
    transition: color 0.3s;
}

.media-item__img {
    max-width: 100%;
    opacity: 0.7;
    -webkit-transition: opacity 0.3s;
    transition: opacity 0.3s;
}

.media-item:hover .media-item__img,
.media-item:focus .media-item__img {
    opacity: 1;
}

.media-item__title {
    margin: 0;
    padding: 0.5em;
    font-size: 1em;
}

@media screen and (min-aspect-ratio: 1440/960) {
    .hero__imgwrap .tilt__back,
    .hero__imgwrap .tilt__front,
    .codrops-header {
        background-size: 100vw auto;
    }

    .hero__img {
        width: 100vw;
        height: auto;
    }
}

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

    .hero {
        left: 20px;
        bottom: 20px;
        right: 20px;
    }

    .mobile-note {
        display: block;
    }
}


.form-2 .btn {
    /* Size and position */
    width: 49%;
    height: 38px;
    float: left;
    position: relative;

    /* Styles */
    box-shadow: inset 0 1px rgba(255,255,255,0.3);
    border-radius: 3px;
    cursor: pointer;

    /* Font styles */
    font-family: 'Lato', Calibri, Arial, sans-serif;
    font-size: 14px;
    line-height: 38px; /* Same as height */
    text-align: center;
    font-weight: bold;
}

.form-2 btn {
    margin-left: 1%;
    background: #fbd568; /* Fallback */
    background: -moz-linear-gradient(#fbd568, #ffb347);
    background: -ms-linear-gradient(#fbd568, #ffb347);
    background: -o-linear-gradient(#fbd568, #ffb347);
    background: -webkit-gradient(linear, 0 0, 0 100%, from(#fbd568), to(#ffb347));
    background: -webkit-linear-gradient(#fbd568, #ffb347);
    background: linear-gradient(#fbd568, #ffb347);
    border: 1px solid #f4ab4c;
    color: #996319;
    text-shadow: 0 1px rgba(255,255,255,0.3);
}