透明层-弹出层 <br /> *{margin:0;padding:0;}<br /> .main{width:100%; height:1000px;}<br /> .div1{<br /> top:0;<br /> left:0;<br /> width:100%;<br /> height:1000px;<br /> position:absolute; <br /> z-index:10; <p> }<br /> .div2{<br /> width:100%;<br /> height:1000px;<br /> z-index:-1;<br /> position:absolute;<br /> /**透明层*/<br /> background:#000000;<br /> filter:alpha(opacity=70); <br /> -moz-opacity:0.7; <br /> -khtml-opacity: 0.7; <br /> opacity: 0.7; <br /> }<br /> .div3{<br /> margin-left:100px;<br /> width:100px;<br /> height:200px;<br /> background:yellow;<br /> }<br /> dsadd wqeqwe
