Jquery实现顶部弹出框特效_jquery

 
 Jq顶部弹出框X

body {
 margin: 0;
 padding: 0;
}
.tooltiptop {
 width: 100%;
 height: 50px;
 margin-top:-50px;
 display:none;
}
.tooltiptop .bg {
 width: 100%;
 background-color: #333;
 height: 50px;
 opacity: .7;
 position: absolute;
 margin: 0;
}
.tooltiptop .main {
 width: 100%;
 position: absolute;
 margin: 0;
 height: 50px;
 line-height: 50px;
 text-align: center;
 color: #fff;
}
.tooltiptop .main span {
 float: right;
 color: #fff;
 margin-right: 20px;
 cursor: pointer;
}

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