section {
    position: relative;
    background-color: black;
    height: 20vh;
    min-height: 10rem;
    width: 100%;
    overflow: hidden;
    }

section video {
position: absolute;
top: 50%;
left: 50%;
min-width: 100%;
min-height: 100%;
width: auto;
height: auto;
z-index: 0;
-ms-transform: translateX(-50%) translateY(-50%);
-moz-transform: translateX(-50%) translateY(-50%);
-webkit-transform: translateX(-50%) translateY(-50%);
transform: translateX(-50%) translateY(-50%);
}

section .container {
position: relative;
z-index: 2;
}

section .overlay-wcs {
position: absolute;
top: 0;
left: 0;
height: 100%;
width: 100%;
background-color:black;
opacity: 0.75;
z-index: 1;
}

html {
font-size: 14px;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}