加号和减号图标html>
标题
.jia,
.jian{
width:15px;
height:15px;
background:#848484;
border-radius:100%;
position:relative;
display:inline-block;
}
.jia:after,
.jia:before,
.jian:before{
position:absolute;
content:'';
width:9px;
height:2px;
background:#fff;
transform:rotate(0deg);
top:6px;
left:3px;
}
.jia:after{
transform:rotate(-90deg);
}
上，下，左，右实心箭头html>
标题
.arrow-up,
.arrow-down,
.arrow-left,
.arrow-right{
display:inline-block;
width:0;
height:0;
border:8pxsolidtransparent;
}
.arrow-up{
border-bottom-color:#868686;
}
.arrow-down{
border-top-color:#868686;
}
.arrow-left{
border-right-color:#868686;
}
.arrow-right{
border-left-color:#868686;
}
