Pure CSS triangle arrow Div border code_html/css_WEB-ITnose

纯CSS实现 “三角箭头”代码 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;} --> 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;} --> “三角形箭头”例1 <div style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-

bottom: 30px;"> <span style="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;" _mce_style="position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid dashed transparent transparent

red transparent;"> “三角形箭头”例1 <div style="position: relative; border: 4px solid red; padding: 20px; margin-bottom: 30px;" _mce_style="position: relative; border: 4px solid red; padding: 20px; margin-bottom:

30px;"> <span style="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;" _mce_style="position: absolute; left: 30px; top: -32px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid dashed transparent transparent

red transparent;"> <span style="position: absolute; left: 30px; top: -27px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid dashed;

border-color: transparent transparent #FFF transparent;" _mce_style="position: absolute; left: 30px; top: -27px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid

dashed transparent transparent #FFF transparent;"> “三角形箭头”例2 <div style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-

bottom: 30px;"> <span style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed dashed solid; border-color: transparent

transparent transparent red;" _mce_style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed dashed solid transparent transparent

transparent red;"> “三角形箭头”例3 <div style="position: relative; background: red; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; padding: 20px; color: #fff; margin-

bottom: 30px;"> <span style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border-width: 16px 24px; border-style: dashed dashed dashed solid; border-color: transparent

transparent transparent red;" _mce_style="position: absolute; left: 30px; top: -16px; width: 0; height: 0; font-size: 0; border: 16px 24px dashed dashed dashed solid transparent

transparent transparent red;"> <span style="position: absolute; left: 14px; top: -32px; width: 0; height: 0; font-size: 0; border-width: 16px; border-style: dashed dashed solid

dashed; border-color: transparent transparent #fff transparent;" _mce_style="position: absolute; left: 14px; top: -32px; width: 0; height: 0; font-size: 0; border: 16px dashed dashed solid

dashed transparent transparent #fff transparent;"> “三角形箭头”例4 <div style="position: relative; background: red; width: 160px; padding: 20px; color: #fff; margin-bottom: 30px;" _mce_style="position: relative; background: red; width: 160px;

padding: 20px; color: #fff; margin-bottom: 30px;"> <span style="position: absolute; left: 0px; top: -12px; width: 188px; height: 0; font-size: 0; border-width: 6px; border-style: dashed dashed solid dashed; border-color: transparent

transparent red transparent;" _mce_style="position: absolute; left: 0px; top: -12px; width: 188px; height: 0; font-size: 0; border: 6px dashed dashed solid dashed transparent transparent

red transparent;"> 模拟梯形边<span style="position: absolute; left: 0px; bottom: -12px; width: 188px; height: 0; font-size: 0; border-width: 6px; border-style: solid dashed dashed dashed; border-color:

red transparent transparent transparent;" _mce_style="position: absolute; left: 0px; bottom: -12px; width: 188px; height: 0; font-size: 0; border: 6px solid dashed dashed dashed red

transparent transparent transparent;"> 看看这个例子就会明白所谓“三角边”了 <div style="border-width:40px;border-style:solid;border-color:red green black blue;line-height:0;font-size:0;overflow:hidden;width:100px;height:0" _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 style="border-width:40px;border-style:dashed dashed solid dashed;border-color:transparent transparent red transparent;line-height:0;font-size:0;width:0;height:0" _mce_style="line

-height: 0; font-size: 0; width: 0; height: 0; border: 40px dashed dashed solid dashed transparent transparent red transparent;"> <div style="border-width:40px;border-style:dashed solid solid dashed;border-color:transparent blue red transparent;line-height:0;font-size:0;width:0;height:0" _mce_style="line-height:

0; font-size: 0; width: 0; height: 0; border: 40px dashed solid solid dashed transparent blue red transparent;"> http://www.999jiujiu.com/

Pure CSS triangle arrow Div border code_html/css_WEB-ITnose

看看这个例子就会明白所谓“三角边”了

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

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