.ico_up{
width:0;
height:0;
border:4px solid transparent ;
border-bottom-color:#B0B0B0;
}
.ico_down{
float: top;
width:0;
height:0;
border:4px solid transparent ;
border-top-color:#B0B0B0;
}
html css样式绘制向下或者向上箭头
阅读 62
2022-08-19
.ico_up{
width:0;
height:0;
border:4px solid transparent ;
border-bottom-color:#B0B0B0;
}
.ico_down{
float: top;
width:0;
height:0;
border:4px solid transparent ;
border-top-color:#B0B0B0;
}
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