HTML CSS examples for CSS Layout:Position
Position of overlay to center of page
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> .red {<!-- w w w. j av a 2s . c om--> width:100px; height:100px; background-color:Chartreuse; padding-left:21px; } .blue { width:51px; height:61px; background-color:yellow; padding-left:0; } .green { width:31px; height:91px; background-color:blue; padding-left:0; } .center { opacity:0.9; position:fixed; top:51%; left:51%; -ms-transform:translate(-51%,-51%); -webkit-transform:translate(-51%,-51%); transform:translate(-51%,-51%); } </style> </head> <body> <div class="red center"></div> <div class="blue center"></div> <div class="green center"></div> </body> </html>