html {
    color: #222;
    font-size: 1em;
    line-height: 1.4;
    height: 100%;
}

body {
    background: url(../img/video-background.jpg) #000 no-repeat center center;
    background-size: cover;
    height: 100%;
}

.aj-background-video {
    position: fixed;
    z-index: -1;
}

.aj-logo {
    width: 60px;
    height: auto;
    position: absolute;
    bottom: 5%;
    left: 50%;
    transform: translateX(-50%);
}

@media screen and (min-width: 375px) {
    .aj-logo {
        width: 80px;
    }
}

@media screen and (min-width: 768px) {
    .aj-logo {
        width: 110px;
    }
}