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使用通配符*設置背景顏色,后面在設置背景顏色會被覆蓋呢?

使用通配符*設置背景顏色,后面在設置背景顏色會被覆蓋呢?

無根鳥飛呀飛 2019-06-15 10:43:44
????????????????????????????????????????????????/*gongong*/ ????*{ ????????margin:0; ????????padding:0; ????????font-family:"Microsoft?YaHei"; ????????color:?#fff; ????????background:?#0E0E0E;; ????} ????.clear{?clear:?both;} ????ul,li{list-style:?none;} ????a{text-decoration:?none;??} ????.container{ ????????/*text-align:?center;*/ ????????margin:0?auto; ????????width:80%;; ????} ????????????????????????????????/*head*/ .head{ ????width:?100%; ????height:80px; ????background:?#000; ????border-top:?1px?solid?#fff; ????margin-top:?30px; } .logo{ ????width:30%; ????height:80px; ????background:?#000; ????float:?left; ????background:url("http://climg.mukewang.com/58c0d2d900016ce303000100.png")?no-repeat?left; } .nav{ ????width:70%; ????height:?80px; ????background:?#000; ????float:?right; } .nav?ul{??width:100%; ????float:?right;} .nav?ul?li{??float:?right;??line-height:80px;?margin-right:?50px; ????height:80px;} ?.nav?a:hover{?color:?orange;?font-size:?18px;} ????????????????????????????????????????????????????/*content*/ .content{??width:100%;??background:?#ADD8E6;?} .left{??float:?left;??background:?#ADD8E6;??width:50%;??height:300px;?line-height:?2em;} h1{font-size:?20px;?background:?#ADD8E6;color:?#000;margin-bottom:?10px;?} .left?span{??background:?#CC3333;?margin-right:?10px;} .left?.box{ ????background:?red?; ????position:?relative; ????top:10%; ????left:10%; ????width:?70%; } .right{ ????float:?right; ????background:?#ADD8E6; ????width:50%; ????height:300px; } .right-list{??background:?#ADD8E6;} .right-list?a{??background:?#ADD8E6; ????color:?#000;padding-left:?20px; ????line-height:40px;} .right-list?a:hover{color:orange;font-size:?14px;} ????????????????????????????????????????????????????????????/*footer*/ .footer{ ????width:100%; ????height:80px; ????background:?purple; ????clear:?both; ????line-height:80px; ????background:?#000; ????border-top:?1px?solid?white; ????margin-top:?20px; } .footer?.copyright{ ????width:100%; ????margin:0?auto; ????height:80px; } .footer?a{ ????display:?block; margin-left:?20px;} .footer?ul?li{ ????float:?left; }
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?
慕雪2998750

TA貢獻3條經驗 獲得超1個贊

*是權重最低的,建議你還是去看下權重的吧。

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反對 回復 2019-06-21
?
pardon110

TA貢獻1038條經驗 獲得超227個贊

使用權重高的選擇器,或者用組合選擇器

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反對 回復 2019-06-15
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