css边框透明画三角形_透明边框 transparent 


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 strick//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
 <head>
  <title> New Document </title>
  <meta name="Generator" content="EditPlus">
  <meta name="Author" content="">
  <meta name="Keywords" content="">
  <meta name="Description" content="">
  <style>
    div {
       height:1000px;
       width:1000px;
       background:gray;
    }
    #triangle {
       width:0px;
       height:0px;
       border-top:200px solid transparent  ;
       border-right:200px solid transparent ;
       border-bottom:200px solid pink;
       border-left:200px solid transparent ;
    }
  </style>
 </head>
 <body>
     <div>
     <div id="triangle"> </div>
     </div>
 </body>
</html>


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