HTML CSS examples for CSS Layout:Parent Container
Center A box in the middle of the page
<html> <head> <meta name="viewport" content="width=device-width, initial-scale=1"> <style id="compiled-css" type="text/css"> #box {<!--from w w w . ja va 2 s .c o m--> position:fixed; width:301px; height:301px; top:51%; left:51%; margin-top:-151px; margin-left:-151px; border:2px solid Chartreuse; } </style> </head> <body> <div id="box"> box </div> </body> </html>