js鼠标悬浮出现遮罩层的方法_javascript技巧

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  科学


• 
  动漫


• 
  生活


• 
  插画


• 
  音乐


• 
  自然

ul li{ list-style:none;}
.site-tag{ width:200px; overflow:hidden; z-index:5;}
.site-tag li{ position:relative; width:200px; height:50px; margin-bottom:1px; overflow:hidden;
transition:height 0.5s ease; -webkit-transition:height 0.5s ease;
-moz-transition:height 0.5s ease; -o-transition:height 0.5s ease;}
.site-tag li a { color: #666; font-size: 16px; font-weight: bold;line-height: 50px;}
.site-tag li i{ display:block; height:90px; background-position:center center;
opacity:0.3; filter:alpha(opacity=3); /*设置透明度*/
-webkit-transition:opacity 0.5 ease; /**/
-webkit-filter:grayscale(60%); /**/
}
.site-tag li:hover i { opacity:0.9; -webkit-filter:grayscale(0%); transition:opacity 0.5s ease;}
.tag-tit{ display:block; height:100px; width:700px; color:#666; font-size:14px;}
.site-tag li .tag-tit{ position:absolute; top:0px; left:10px; text-shadow:1px 1px 1px rgb(0,0,0,0.1);}
a:hover .tag-tit{ text-shadow:1px 1px 1px rgb(0,0,0,0.5);}