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.d{


css代码


position: fixed;

left: 50%;

bottom: 5px;

display: block;

}

.a{

background-position: 0 -798px;

}

.toolbar-weixin{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

}

.toolbar-weixin:hover{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -860px;

}

.toolbar-layer1{

position: absolute;

left: 0px;

bottom: 160px;

width: 52px;

height: 52px;

opacity: 0;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 0;

transform-origin: 95% 95%;

transition:1s; 

}

.toolbar-weixin:hover .toolbar-layer1{

position: absolute;

left: -172px;

bottom: 155px;

width: 172px;

height: 212px;

opacity: 1;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 0;

transform-origin: 95% 95%;

transition:1s; 

}







.toolbar-feedback{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -426px;

}

.toolbar-feedback:hover{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -488px;

}









.toolbar-app{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -550px;

}

.toolbar-app:hover{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -612px;

}

.toolbar-layer2{

position: absolute;

left: -172px;

bottom: 52px;

width: 52px;

height: 52px;

opacity: 0;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -222px;

transform-origin: 95% 95%;

transition:1s; 

}

.toolbar-app:hover .toolbar-layer2{

position: absolute;

left: -172px;

bottom: 0px;

width: 172px;

height: 194px;

opacity: 1;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -222px;

transform-origin: 95% 95%;

transition:1s; 

}








.toolbar-top{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -674px;

}

.toolbar-top:hover{

margin-top: 1px;

transition: 1s;

display: block;

width: 52px;

height: 52px;

background-image: url(toolbar.png);

background-repeat: no-repeat;

background-position: 0 -736px;

}

==================

html


<!DOCTYPE html>

<html>

<head>

<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />

<link rel="stylesheet"  href="工具栏.css">

<title>工具条</title>

</head>




<body>

<div class="d">

<a href=""  class="toolbar-weixin a" onMouseOver="tt1()">

<span class="toolbar-layer1"  id="t1"></span>

</a> 

<a href=""  class="toolbar-feedback"></a> 

<a href=""  class="toolbar-app">

<span class="toolbar-layer2"  id="t2"></span>

</a>

<a href=""  class="toolbar-top"></a> 

</div>

</body>

</html>


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