el-select改下拉箭头

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:deep(.el-cascader) {   border-radius: 6px;   .el-input__wrapper {     border: 0;     background: rgb(247, 248, 250);     box-shadow: none;     svg {       display: none;     }     .el-input__icon:before {       content: "";       display: inline-block;       width: 0;       height: 0;       border-left: 5px solid transparent;       border-right: 5px solid transparent;       border-top: 5px solid rgb(134, 144, 156);     }   } } :deep(.el-select__wrapper) {   border: 0;   background: rgb(247, 248, 250);   box-shadow: none;   svg {     display: none;   }   .el-select__caret:before {     content: "";     display: inline-block;     width: 0;     height: 0;     border-left: 5px solid transparent;     border-right: 5px solid transparent;     border-top: 5px solid rgb(134, 144, 156);   } }