body {
    margin: 0;
    padding: 0;
    background-color: black;
}
.wrapper{
    margin: auto;
    max-width: 853px;
}
.ratio-out {
    position: relative;
    padding-bottom: 56.25%;
    margin-bottom: 15%;
}
.ratio-out:first-child {
    margin-top: 15%;
}
.ratio-in {
    position: absolute;
    border-style: none;
    width: 100%;
    height: 100%;
}