web前端|html教程
纯CSS 三角形箭头Div边框代码
web前端-html教程
<!–
span {_overflow:hidden;}
.wp {position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;}
.arrow {position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed; border-color: transparent transparent
red transparent;}
–>
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<!–
span {_overflow:hidden;}
.wp {position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;}
.arrow {position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed; border-color: transparent transparent
red transparent;}
–>
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“三角形箭头”例1 <div _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-
bottom: 30px;”>
red transparent;”>“三角形箭头”例1
<div _mce_style="position: relative; border: 4px solid red; padding: 20px; margin-bottom:
30px;”>
red transparent;”>
dashed transparent transparent #FFF transparent;”>“三角形箭头”例2
<div _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-
bottom: 30px;”>
transparent red;”>“三角形箭头”例3
<div _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-
bottom: 30px;”>
transparent transparent red;”>
dashed transparent transparent #fff transparent;”>“三角形箭头”例4
<div _mce_style="position: relative; background: red; width: 160px;
padding: 20px; color: #fff; margin-bottom: 30px;”>
red transparent;”>
模拟梯形边
transparent transparent transparent;”> 看看这个例子就会明白所谓“三角边”了
<div _mce_style="line-height: 0; font-size:
0; overflow: hidden; width: 100px; height: 0; border: 40px solid red green black blue;”> 把某些边透明掉就可以模拟三角形了，注意ie6下透明的边要是dotted或dashed <div _mce_style="line
-height: 0; font-size: 0; width: 0; height: 0; border: 40px dashed dashed solid dashed transparent transparent red transparent;”> <div _mce_style="line-height:
0; font-size: 0; width: 0; height: 0; border: 40px dashed solid solid dashed transparent blue red transparent;”>
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