向下三角形:
.select_hd::after {
content: "";
position: absolute;
right: 5px;
top: 15px;
width: 0;
height: 0;
border-style: solid;
border-width: 6px 6px 0;
border-color: #80c4ae transparent;
}
向下三角形:
.select_hd::after {
content: "";
position: absolute;
right: 5px;
top: 15px;
width: 0;
height: 0;
border-style: solid;
border-width: 6px 6px 0;
border-color: #80c4ae transparent;
}