opacity: 0.3;
filter: alpha(opacity=30);
background-color: gray;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 100;
参考链接:
点击打开链接
opacity: 0.3;
filter: alpha(opacity=30);
background-color: gray;
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 100;
参考链接:
点击打开链接