Base styling for vue select

vueselect.scss

<style lang="scss" scoped>
$background-color: #fff;
$border-color: #101010;
$border-inactive-color: #606060;
$border-radius: 5px;
$item-hover-color: #f5f5f5;
$item-selected-color: rgba(0, 0, 0, .25);

*,
*:before,
*:after {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}
.select__dropdown {
  font-size: 16px;
  outline: none;
  position: relative;
  text-align: left;
}
.select__dropdown--close {
  &::after {
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 6px solid $border-color;
    content: '';
    height: 0;
    position: absolute;
    right: 8px;
    top: 20px;
    width: 0;
  }
}
.select__dropdown--open {
  &::after {
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-bottom: 6px solid $border-color;
    content: '';
    height: 0;
    position: absolute;
    right: 8px;
    top: 20px;
    width: 0;
  }
}
.select__value {
  border: 1px solid $border-inactive-color;
  border-radius: $border-radius;
  display: block;
  height: 48px;
  outline: none;
  padding: 16px;
  &:focus {
    border-color: $border-color;
  }
}
.select__optionlist {
  background-color: $background-color;
  border: 1px solid $border-color;
  border-radius: 0 0 $border-radius $border-radius;
  list-style: none;
  margin: 0;
  max-height: 150px;
  padding: 0;
  padding-bottom: 8px;
  padding-top: 8px;
  position: relative;
  top: -3px;
  z-index: 2000;
}
.select__optionlist--close {
  visibility: hidden;
}
.select__option {
  height: 32px;
  line-height: 2;
  padding: 0 16px;
  text-align: left;
  vertical-align: middle;
  &:hover {
    background-color: $item-hover-color;
  }
}
.select__option--selected {
  background-color: $item-selected-color;
  &:hover {
    background-color: $item-selected-color;
  }
}
</style>