test.png
完整的代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<style>
.tree-default{
100px;
height:100px;
margin:50px; /*为了查看的效果更明显*/
border-radius: 10px;
border:1px #e8e8e8 solid;
}
.tree-font{
background: url("test.png") -200px -100px no-repeat;
}
.tree-time{
/*background-color: */
background-image: url("test.png");
background-repeat: no-repeat;
background-position: -100px -150px;
background-size:250px 200px; /*整张图片都变小之后再计算偏移量*/
}
</style>
</head>
<body>
<div class="tree-default tree-font"></div>
<div class="tree-default tree-time"></div>
</body>
</html>完成后的效果：
