css設置div鋪滿全屏幕

html, body {margin:0;padding:0;}
 
 
.container {
height:100%;width:100%; /*width: 100%;*/ border: 1px solid green; position:fixed; background: url(image/login.jpg) no-repeat;text-align:center;  
}
 
要鋪滿的div加class="container"