media_style.css

body {
    margin-bottom: 4em;
}

h2 {
    padding: 0.2em 0;
    margin: 1em 0;
    text-align: center;
    width: 100%;
    font-size: 3em;
    background: #515151;
}

#photo_title {
    background-color: #515151;
    background-image: url("images/photosIcon.png"); 
    background-repeat: no-repeat;
    background-size: 1em;
    background-position: 2% 50%;
}

#video_title {
    background: #515151 url('images/videosIcon.png') no-repeat;
    background-size: 1.5em;
    background-position: 1.5% 50%;
}

.photo_gallery {
    display: block;
    margin: auto;
    text-align: center;
}

.gallery_element {
    border: 1px solid rgb(25,25,25);
    border: 1px solid rgba(255,255,255,0.1);
    width: 20em;
    height: 20em;
    display: inline-block;
    position: relative;
}

    .gallery_element:hover {
        border: 1px solid rgb(51,51,51);
        border: 1px solid rgba(255,255,255,0.2);
    }

    .gallery_element figcaption {
        padding: 0.5em;
        text-align: left;
        font-size: 0.9em;
        background-color: rgb(204,204,204);
        background-color: rgba(0,0,0,0.8);
        display: table-cell;
        position: absolute;
        left: 0;
        bottom: 0;
    }

        .gallery_element figcaption a {
            color: #ff5bad;
            text-decoration: none;
            font-style: normal;
            font-weight: 500;
            padding-bottom: 0.002em;
            border-bottom: 1px solid #ff5bad;
        }

    .gallery_element img {
        width: auto;
        height: auto;
        max-width: 20em;
        max-height: 20em;
        vertical-align: middle;
    }

.image_container {
    display: block;
    width: 20em;
    height: 20em;
    text-align: center;
    line-height: 19.2em;
    background-color: #515151
}

.video_gallery {
    display: block;
    margin: auto;
    text-align: center;
}

.video_element {
    width: 32em;
    height: 18em;
    display: inline-block;
    margin: 1em;
    border: 1px solid rgb(25,25,25);
    border: 1px solid rgba(255,255,255,0.1);
}

    .video_element:hover {
        border: 1px solid rgb(51,51,51);
        border: 1px solid rgba(255,255,255,0.2);
    }

@media all and (max-width: 750px) {
    .video_element {
        width: 80vw;
        height: 45vw;
        display: inline-block;
    }
}

@media all and (max-width: 580px) {
    .gallery_element {
        width: 60vw;
        height: 60vw;
    }

        .gallery_element figcaption {
            font-size: 3vw;
        }

        .gallery_element img {
            max-width: 60vw;
            max-height: 60vw;
            vertical-align: middle;
        }

    .image_container {
        width: 60vw;
        height: 60vw;
        line-height: 57.6vw;
    }

    h2 {
        font-size: 9vw;
    }
}