CSS利用@media screen实现网页布局的自适应
CSS可以利用@media screen的控制实现网页布局的自适应
优点:无需插件和手机主题,对移动设备友好,能够适应各种窗口大小。只需在CSS中添加@media screen属性,根据浏览器宽度判断并输出不同的长宽值
1280分辨率以上(大于1200px)
@media screen and (min-width:1200px){ #page{ width: 1100px; }#content,.div1{width: 730px;}#secondary{width:310px} }
1100分辨率(大于960px,小于1199px)
@media screen and (min-width: 960px) and (max-width: 1199px) { #page{ width: 960px; }#content,.div1{width: 650px;}#secondary{width:250px}select{max-width:200px} }
880分辨率(大于768px,小于959px)
@media screen and (min-width: 768px) and (max-width: 959px) { #page{ width: 900px; }#content,.div1{width: 620px;}#secondary{width:220px}select{max-width:180px} }
720分辨率(大于480px,小于767px)
@media only screen and (min-width: 480px) and (max-width: 767px){ #page{ width: 450px; }#content,.div1{width: 420px;position: relative; }#secondary{display:none}#access{width: 450px; }#access a {padding-right:5px}#access a img{display:none}#rss{display:none}#branding #s{display:none} }
440分辨率以下(小于479px)
@media only screen and (max-width: 479px) { #page{ width: 300px; }#content,.div1{width: 300px;}#secondary{display:none}#access{width: 330px;} #access a {padding-right:10px;padding-left:10px}#access a img{display:none}#rss{display:none}#branding #s{display:none}#access ul ul a{width:100px} }
多个规则会自动匹配,从低往高匹配
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