HTML CSS examples for CSS Property:box-shadow
make shadow 100% width under div
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> body {<!-- www . j ava 2 s . c om--> margin:0; padding:0; background-color:Chartreuse; } #head { width:100%; height:61px; background-color:yellow; box-shadow:0 11px 18px 0px blue; position:fixed; } #content { width:901px; padding-top:61px; min-height:100px; background-color:pink; margin-right:auto; margin-left:auto; } </style> </head> <body> <div id="head"> </div> <div id="content"> </div> </body> </html>