📅  最后修改于: 2022-03-11 14:47:34.289000             🧑  作者: Mango
#my_selection {
-webkit-appearance: none;
-moz-appearance: none;
appearance: none; /* remove default arrow */
background-image: url(../img/drop-down.png); /* add custom arrow */
background-repeat: no-repeat;
background-position:right center;
}