HTML CSS examples for CSS Property:opacity
Set Opacity on CSS Element
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> html, body { height:100%; margin:0; } .out {<!-- w w w.java 2s . c om--> height:100%; position:relative; overflow:hidden; } .in { height:76%; background-color:Chartreuse; } .out:before, .out:after, .in:after { content:''; position:absolute; bottom:26%; width:100%; height:701%; background-color:yellow; } .out:before { right:51%; z-index:21; -webkit-transform-origin:100% 100%; transform-origin:100% 100%; -webkit-transform:rotate(-136deg); transform:rotate(-136deg); } .out:after { left:51%; -webkit-transform-origin:0 100%; transform-origin:0 100%; -webkit-transform:rotate(316deg); transform:rotate(316deg); } .in:after { bottom:0; width:100%; height:26%; background-color:blue; z-index:-2; } video { min-width:100%; min-height:100%; height:auto; width:auto; position:absolute; top:0; z-index:11; opacity:0.6; } </style> </head> <body> <div class="out"> <div class="in"></div> <video autoplay="" loop="" poster="https://www.java2s.com/style/demo/Google-Chrome.png" id="bgvid"> <source src="" type="video/webm"> <source src="" type="video/mp4"> </video> </div> </body> </html>