css向上三⾓,css实现三⾓Document
/*箭头向上*/
.arrow-up {
width: 0;
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height: 0;
border-left: 30px solid transparent;
孱头的意思border-right: 30px solid transparent;
border-bottom: 30px solid #fea;
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/*箭头向下*/
.arrow-down {
width: 0;
height: 0;
border-left: 20px solid transparent;
border-right: 20px solid transparent;
border-top: 20px solid #0066cc;
}
/*箭头向左*/
.arrow-left {
width: 0;
民族解放运动>红鲫鱼height: 0;
border-top: 30px solid transparent;
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border-bottom: 30px solid transparent;
border-right: 30px solid yellow;
}
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/*箭头向右*/
.arrow-right {
width: 0;
height: 0;
border-top: 50px solid transparent;
border-bottom: 50px solid transparent;
border-left: 50px solid green;
}
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