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CSS制作三角边框

时间:2015-04-12 16:19:27      阅读:183      评论:0      收藏:0      [点我收藏+]

标签:前端   css   

<!DOCTYPE HTML>
<html lang="en-US">
<head>
<meta charset="UTF-8">
<title>字符制作三角边框</title>
<style type="text/css">
*{margin:0;padding:0;}
body{font-family:SimSun;}
h1{text-align:center;}
.demo1{
width:100px;
margin:20px auto;
border:1px solid red;
height:100px;
}
.demo1 em,.demo1 span
   {
display:block;
width:30px;
height:15px;
font-size:30px;
overflow:hidden;
_position:relative;
margin-left:20px;
}
.demo1 em{
margin-top:-16px;
color:red;
font-style:normal;
}
.demo1 span
   {
margin-top:-14px;
color:white;
}




.demo2{
width:300px;
border:1px solid #F00;
height:100px;
position:relative;
margin-left:auto;
margin-right:auto;
}
.demo2 em,.demo2 span{
font-style:normal;font-size:30px;position:absolute;left:-16px;top:40px;color:red;}
.demo2 span{
left:-14px;
color:white;
}
 /*


   对话气泡


   用法:使用.speech-bubble和.speech-bubble-DIRECTION类


   <div class="speech-bubble speech-bubble-top">Hi there</div>


*/
.speech-bubble {
  position: relative;
  background-color: #292929;
  width: 200px;
  height: 150px;
  line-height: 150px; 
  color: white;
  border-radius: 10px;
  font-family: sans-serif;


}*/
.speech-bubble:after {


  content: ‘‘;


  position: absolute;
  width: 0;
  height: 0;
  border: 15px solid
}




.speech-bubble-top:after {
  border-bottom-color:#0000FF;
  left: 50%;
  bottom: 100%;
  margin-left: -15px;


}


.speech-bubble-right:after {


  border-left-color: #292929;
  left: 100%;
  top: 50%;
  margin-top: -15px;  
}
.speech-bubble-bottom:after {


  border-top-color: #292929
  top: 100%;
  left: 50%;
  margin-left: -15px; 
}
.speech-bubble-left:after {


  border-right-color: #292929;


  top: 50%;


  right: 100%;


  margin-top: -15px;  


}


</style>
</head>
<body>
<h1>demo1 是用 margin 方法</h1>
    <div class="demo1">
       <em>&#9670;</em>
       <span>&#9670;</span>
    </div>
<h1>demo2 是用 position 方法</h1>
<div class="demo2">
<em>&#9670;</em>
    <span>&#9670;</span>
</div>






 <div class="speech-bubble speech-bubble-top">
        </div>
        <div class="speech-bubble speech-bubble-bottom">


            箭头在底部


        </div>


        <div class="speech-bubble speech-bubble-left">

            箭头在左侧

        </div>


         <br/>
        <div class="speech-bubble speech-bubble-right">
            箭头在右侧


        </div>


</body>
</html>

CSS制作三角边框

标签:前端   css   

原文地址:http://blog.csdn.net/u013240543/article/details/45010161

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