.videoembedwrap-wrapper{
    max-width: 800px;
    margin: 0 auto;
}
.videoembedwrap {
    position: relative;
    height: 0;
    padding-bottom: 55.5%;
}
.videoembedwrap iframe {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}