.accent_bg{
    background-color: #E1E3DA; color: #595E4A;
}
.grey_bg{
    background-color: #f8f8f8;
}

.iframe_wrapper { position: relative; height: 0; padding-bottom: 56.25%; }
.iframe_wrapper iframe{ position: absolute; top: 0; left: 0; width: 100%; height: 100%; }