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background-size:<bg-size> [ , <bg-size> ]* <bg-size> = [ <length> | <percentage> | auto ]{1,2} | cover | contain
默认值:auto
IE8及以下不支持
二、实例
1.默认 auto
.divTwo { background: url(../images/3.jpg) no-repeat gray; /*真实大小----默认值*/ background-size:auto; }
2.
.divTwo { background: url(../images/3.jpg) no-repeat gray; background-size:50% 50%; }
3.
.divTwo { background: url(../images/3.jpg) no-repeat gray; /*指定宽度 ,高度自适应*/ background-size:100%; background-size:150px; }
4.
.divTwo { background: url(../images/3.jpg) no-repeat gray; /*将背景图像等比缩放到完全覆盖容器,背景图像有可能超出容器。*/ background-size: cover; }
5.
.divTwo { background: url(../images/3.jpg) no-repeat gray; /*将背景图像等比缩放到宽度或高度与容器的宽度或高度相等,背景图像始终被包含在容器内。*/ background-size: contain; }
6.
.divTwo { background: url(../images/3.jpg) no-repeat gray; /*指定宽度和高度*/ background-size: 50px 100px; }
当前测试图片:
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原文地址:http://www.cnblogs.com/tianmahygj/p/4402138.html