CSS無圖片實現小三角

來源:互聯網
上載者:User
  :方法一的方法二的方法三的方法一: css代碼:
#top {
position: absolute;width: 0px;height: 0px;line-height: 0px;/*為了防止ie下出現題型*/border-bottom: 10px solid #89b007;border-left: 10px solid #fff;border-right: 10px solid #fff;left: 76px;top: -10px;}#first {border-radius:8px;-moz-border-radius:8px;-ms-border-radius:8px;-o-border-radius:8px;-webkit-border-radius:8px;position: absolute;height: 150px;width: 300px;background: #89b007;left: 22px;top: 33px;}#first p{ padding:10px; line-height:1.5; color:#FFF;}

html代碼:

<div id="first"><p>帶背景顏色的小三角實現是比較簡單的!</p>  <span id="top"></span></div>

方法二: css代碼:

* {margin: 0;padding: 0;}a{ color:#666; text-decoration:none; line-height:25px; text-indent:24px;}.w{ width:200px; position:absolute; background:#999; left:400px; top:200px; font-size:12px; text-align:left}/*類比灰色陰影背景層*/.x{ width:180px; position:relative; background:#fff;  border:1px solid #ccc; padding:10px; left:-4px; top:-4px;}/*內容div*/.y , .z{position: absolute;left: 141px;}.y{color: #ccc;font-size: 19px;top:-12px;z-index:1;}/*類比小三角*/.z{color: #fff;font-size: 19px;top:-11px;  z-index:3;}/*類比小三角*/

html代碼:

<div class="w">  <div class="x">    <p><a href="#">用物件導向的思想去書寫css,用物件導向的心態去書寫css。</a></p>    <span class="z">◆</span> <span class="y">◆</span> </div></div>
方法三: css代碼:
#content {text-indent: 2em;box-shadow: 0px 0px 10px #999;padding: 10px;font-size: 12px;line-height: 1.5;border-radius: 5px;height: 100px;width: 250px;position: relative;margin: 200px auto;border: 1px solid #CCC;}span {position: absolute;left: 25px;height: 0px;width: 0px;}/*上部小三角實現樣式開始*/span.out {line-height: 0;border-width: 10px;border-color: transparent transparent #CCC transparent;border-style: dashed dashed solid dashed;top: -20px;}span.iner {border-width: 10px;border-color: #fff transparent #FFF transparent;border-style: dashed dashed solid dashed;top: -19px;line-height: 0;}/*右部小三角實現樣式開始*/span.right {background: #FFF;border-width: 1px;width: 16px;height: 16px;border-color: #CCC #CCC transparent transparent;border-style: solid solid dashed dashed;left: 270px;top: 30px;border-radius: 0 0 100% 0;/*這裡radius的值不要選取絕對值因為在放大或者縮小的過程中會產生封不住口的現象*/line-height: 0;box-shadow: 5px 0 10px #aaa;} 

html代碼:

<div id="content"> <span class="out"></span><span class="iner"></span> <span class="right"></span>  <p>不管寫什麼內容,總之就是要實現無圖小三角,要是有背景顏色那倒是極好的,沒有的話也可以,就是稍微麻煩一點</p></div>

 

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