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About the implementation of CSS3 triangle_html/css_WEB-ITnose

WBOY
WBOYOriginal
2016-06-24 11:44:18974browse

1,向上的三角

 1 
 2  < html >
 3  < head >
 4  < meta  charset ="utf-8" >
 5  < title >border-radius
 6  < style >
 7  div{  
 8      width: 0;
 9      height: 0;
10      border-left: 20px solid transparent;
11      border-right: 20px solid transparent;
12      border-bottom: 20px solid #ccc;
13      }
14 
15 
16  < body >
17  < div >
18 
19 
20 

2,向下的三角

 1 
 2  < html >
 3  < head >
 4  < meta  charset ="utf-8" >
 5  < title >border-radius
 6  < style >
 7  div{  
 8      width: 0;
 9      height: 0;
10      border-left: 20px solid transparent;
11      border-right: 20px solid transparent;
12      border-top: 20px solid #ccc;
13      }
14 
15 
16  < body >
17  < div >
18 
19 

20  

3,向左的三角

 1 
 2  < html >
 3  < head >
 4  < meta  charset ="utf-8" >
 5  < title >border-radius
 6  < style >
 7  div{  
 8      width: 0;
 9      height: 0;
10      border-top: 20px solid transparent;
11      border-bottom: 20px solid transparent;
12      border-right: 20px solid #ccc;
13      }
14 
15 
16  < body >
17  < div >
18 
19 

20  

4,向右的三角

 1 
 2  < html >
 3  < head >
 4  < meta  charset ="utf-8" >
 5  < title >border-radius
 6  < style >
 7  div{  
 8      width: 0;
 9      height: 0;
10      border-top: 20px solid transparent;
11      border-bottom: 20px solid transparent;
12      border-left: 20px solid #ccc;
13      }
14 
15 
16  < body >
17  < div >
18 
19 

20  

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