.video-grid.front-page {
    max-width: 1280px;
    margin: 0 auto;
    padding: .2em .5em;
}

ul.video-list {
    display: flexbox;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

li.video {
    flex-grow: 1;
    position: relative;
    overflow: hidden;
    width: 33.333333333%;
    width: -webkit-calc(100% / 3);
    width: calc(100% / 3);
    border: solid 0.2em transparent;
}

    li.video a {
        outline: none;
    }

    li.video:before {
        content: '';
        display: block;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgba(0, 0, 0, 0);
        transition: background-color 0.15s;
    }

    li.video figure {
        display: block;
        position: relative;
        overflow: hidden;
        background-repeat: no-repeat;
        background-position: center center;
        background-size: cover;
    }

        li.video figure img {
            display: block;
            max-width: 100%;
            height: auto;
            opacity: 0;
            transform: scale(0.5);
            transition: all 0.2s;
        }

        li.video figure figcaption {
            position: absolute;
            bottom: 0;
            width: 100%;
            background: rgba(0, 0, 0, 0.6);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 600;
            padding: 1rem;
            transform: translateY(0);
            opacity: 1;
            transition: all 0.2s;
        }

    li.video:hover figure img {
        opacity: 1;
        transform: scale(1);
    }

    li.video:hover figure figcaption {
        opacity: 0;
        transform: translateY(50%);
    }

    li.video:hover:before {
        background-color: rgba(0, 0, 0, 0.3);
    }

@media screen and (max-width: 800px) {
    li.video {
        width: 50%;
        width: -webkit-calc(100% / 2);
        width: calc(100% / 2);
    }
}

@media screen and (max-width: 640px) {
    li.video {
        width: 100%;
    }
}
/** * Pen styles */
html {
    box-sizing: border-box;
    height: 100%;
    overflow-y: scroll;
    font-size: 62.5%;
}

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

body {
    background: #fff;
    color: #444;
    font-family: 'Open Sans', Arial, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen-Sans, Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
    font-size: 1.8rem;
    line-height: 1.2;
}

header {
    width: 100%;
    padding: 1.1em;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.7);
}

    header h1 {
        font-size: 3rem;
        font-weight: 700;
        text-align: center;
        letter-spacing: -0.03em;
        color: #666;
    }

main {
    padding: 2rem 0;
}

article {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0.5em 1em;
}