home.

<div id="page" class="site">
    <div class="header-wrapper">
        <div  class='header-homepage  color-overlay  cp-video-bg' style='; min-height:100vh'>
            <div class="background-overlay"></div>                    <script>
            // resize the poster image as fast as possible to a 16:9 visible ratio
            var mesmerize_video_background = {
                getVideoRect: function () {
                    var header = document.querySelector(".cp-video-bg");
                    var headerWidth = header.getBoundingClientRect().width,
                        videoWidth = headerWidth,
                        videoHeight = header.getBoundingClientRect().height;

                    videoWidth = Math.max(videoWidth, videoHeight);

                    if (videoWidth < videoHeight * 16 / 9) {
                        videoWidth = 16 / 9 * videoHeight;
                    } else {
                        videoHeight = videoWidth * 9 / 16;
                    }

                    videoWidth *= 1.2;
                    videoHeight *= 1.2;

                    var marginLeft = -0.5 * (videoWidth - headerWidth);

                    return {
                        width: Math.round(videoWidth),
                        height: Math.round(videoHeight),
                        left: Math.round(marginLeft)
                    }
                },

                resizePoster: function () {
//                        debugger;
                    var posterHolder = document.querySelector('#wp-custom-header');

                    var size = mesmerize_video_background.getVideoRect();
                    posterHolder.style.backgroundSize = size.width + 'px auto';
                    posterHolder.style.backgroundPositionX = size.left + 'px';
                    posterHolder.style.minHeight = size.height + 'px';