html,
body {
    height: 100%;
    padding-top: 25px;
}

.bg-black {
    background-color: #000;
    color: #fff;
}

.media-image {
    max-width: 300px;
}

.media-image-small {
    max-width: 100px;
}

.m-top-50 {
    margin-top: 50px;
}

.m-top-10 {
    margin-top: 10px;
}

.auto-margins {
    margin-left: auto;
    margin-right: auto;
}

.social {
    height: 30px;
    margin: 10px;
}