@arco-design/web-react/es/_class/picker/style/status.less

Arco Design React UI Library.

.picker-status(@status) {
  &-@{status}:not(&-disabled) {
    border-color: ~'@{picker-color-border_@{status}}';
    background-color: ~'@{picker-color-bg_@{status}}';

    &:hover {
      border-color: ~'@{picker-color-border_@{status}_hover}';
      background-color: ~'@{picker-color-bg_@{status}_hover}';
    }
  }

  &-@{status}&-focused:not(&-disabled) {
    &,
    &:hover {
      border-color: ~'@{picker-color-border_@{status}_focus}';
      background-color: ~'@{picker-color-bg_@{status}_focus}';
      box-shadow: 0 0 0 ~'@{picker-size-shadow_@{status}_focus}' ~'@{picker-color-shadow_@{status}_focus}';
    }
  }
}