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

html {
    background: transparent;
}

body {
    height: 101vh;
    overflow: hidden;
    color: #fff;
    color: var(--color-text);
    background-color: transparent;
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


/* Color schemes */

.demo-1 {
    --color-text: #fff;
    --color-bg: #fff;
    --color-link: #2d2d2d;
    --color-link-hover: #fff;
    --color-info: #224d94;
    --color-nav: #fff;
}

.demo-2 {
    --color-text: #fff;
    --color-bg: #ffffff;
    --color-link: #9cf9db;
    --color-link-hover: #fff;
    --color-info: #f3a145;
    --color-nav: #fff;
}

.demo-3 {
    --color-text: #fff;
    --color-bg: #a9b1b7;
    --color-link: #2d2d2d;
    --color-link-hover: #224d94;
    --color-info: #fff473;
    --color-nav: #fff;
}

.demo-4 {
    --color-text: #81838c;
    --color-bg: #ffffff;
    --color-link: #96e23e;
    --color-link-hover: #fff;
    --color-info: #ea7836;
    --color-nav: #fff;
}

.demo-5 {
    --color-text: #fff;
    --color-bg: #ffffff;
    --color-link: #fff;
    --color-link-hover: #2a3cbb;
    --color-info: #f7fb40;
    --color-nav: #fff;
}


/* Fade effect */

.js body {
    opacity: 0;
    transition: opacity 0.3s;
}

.js body.render {
    opacity: 1;
}


/* Page Loader */

.js .loading::before {
    content: '';
    position: fixed;
    z-index: 100000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg);
}

.js .loading::after {
    content: '';
    position: fixed;
    z-index: 100000;
    top: 50%;
    left: 50%;
    width: 60px;
    height: 60px;
    margin: -30px 0 0 -30px;
    pointer-events: none;
    border-radius: 50%;
    opacity: 0.4;
    background: var(--color-link);
    animation: loaderAnim 0.7s linear infinite alternate forwards;
}

@keyframes loaderAnim {
    to {
        opacity: 1;
        transform: scale3d(0.5, 0.5, 1);
    }
}

a {
    text-decoration: none;
    color: #2d2d2d;
    color: var(--color-link);
    outline: none;
}

a:hover,
a:focus {
    color: #423c2b;
    color: var(--color-link-hover);
    outline: none;
}

.hidden {
    position: absolute;
    overflow: hidden;
    width: 0;
    height: 0;
    pointer-events: none;
}

.message {
    background: var(--color-text);
    color: var(--color-bg);
    text-align: center;
    padding: 1em;
    display: none;
    position: relative;
    z-index: 100;
}


/* Icons */

.icon {
    display: block;
    width: 1.5em;
    height: 1.5em;
    margin: 0 auto;
    fill: currentColor;
}

main {
    position: relative;
    width: 100%;
}

.content {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 105vh;
    margin: 0 auto;
}

.content--fixed {
    position: fixed;
    z-index: 10000;
    top: 0;
    left: 0;
    display: grid;
    align-content: space-between;
    width: 100%;
    max-width: none;
    height: 105vh;
    padding: 1.5em;
    pointer-events: none;
    grid-template-columns: 50% 50%;
    grid-template-rows: auto auto 4em;
    grid-template-areas: 'header ...' '... ...' 'github demos';
}

.content--fixed a {
    pointer-events: auto;
}


/* Header */

.codrops-header {
    position: relative;
    z-index: 100;
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    align-items: center;
    align-self: start;
    grid-area: header;
    justify-self: start;
}

.codrops-header__title {
    font-size: 1em;
    font-weight: bold;
    margin: 0;
    padding: 0.75em 0;
}

.info {
    margin: 0 0 0 1.25em;
    font-style: italic;
    color: var(--color-info);
    font-weight: bold;
}

.github {
    display: block;
    align-self: end;
    grid-area: github;
    justify-self: start;
}

.demos {
    position: relative;
    display: block;
    align-self: end;
    text-align: center;
    grid-area: demos;
}

.demo {
    margin: 0 0 0 0.15em;
}

.demo:hover,
.demo:focus {
    opacity: 0.5;
}

.demo span {
    white-space: nowrap;
    text-transform: lowercase;
    pointer-events: none;
}

.demo span::before {
    content: '#';
}

a.demo--current {
    pointer-events: none;
}


/* Top Navigation Style */

.codrops-links {
    position: relative;
    display: flex;
    justify-content: center;
    margin: 0 1em 0 0;
    text-align: center;
    white-space: nowrap;
}

.codrops-icon {
    display: inline-block;
    margin: 0.15em;
    padding: 0.25em;
}

.scene {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    pointer-events: none;
    z-index: 1;
}

@media screen and (min-width: 55em) {
    .demos {
        display: flex;
        justify-self: end;
    }
    .demo {
        display: block;
        width: 17px;
        height: 17px;
        margin: 0 4px;
        border-radius: 50%;
        background: var(--color-link);
    }
    a.demo--current {
        background: var(--color-link-hover);
    }
    .demo span {
        position: absolute;
        line-height: 1;
        right: 100%;
        display: none;
        margin: 0 1em 0 0;
    }
    .demo--current span {
        display: block;
    }
}

@media screen and (max-width: 55em) {
    .message {
        display: block;
    }
    .content--fixed {
        position: relative;
        z-index: 1000;
        display: block;
        padding: 0.85em;
    }
    .codrops-header {
        flex-direction: column;
        align-items: center;
    }
    .codrops-header__title {
        font-weight: bold;
        padding-bottom: 0.25em;
        text-align: center;
    }
    .github {
        display: block;
        margin: 1em auto;
    }
    .codrops-links {
        margin: 0;
    }
}