bulma/sass/utilities/controls.sass

$control: $text-strong !default
$control-background: $text-invert !default
$control-border: $border !default

$control-hover: $link-hover !default
$control-hover-border: $border-hover !default

$control-active: $link !default
$control-active-background: $link !default
$control-active-background-invert: $link-invert !default
$control-active-border: $link !default

$control-disabled: $border !default
$control-disabled-background: $background !default

$control-radius: $radius !default
$control-radius-small: $radius-small !default
$control-size: $size-normal !default
$control-size-small: $size-small !default

$control-icon: $grey-lighter !default
$control-icon-active: $grey-light !default

=control
  -moz-appearance: none
  -webkit-appearance: none
  align-items: center
  background-color: $control-background
  border: 1px solid $control-border
  border-radius: $control-radius
  box-shadow: none
  color: $control
  display: inline-flex
  font-size: $control-size
  height: 2.5em
  justify-content: flex-start
  line-height: 1.5
  padding-left: 0.75em
  padding-right: 0.75em
  position: relative
  vertical-align: top
  &:hover
    border-color: $control-hover-border
  &:active,
  &:focus,
  &.is-active
    border-color: $control-active-border
    outline: none
  &[disabled],
  &.is-disabled
    background-color: $control-disabled-background
    border-color: $control-disabled
    cursor: not-allowed
    pointer-events: none
    +placeholder
      color: rgba($control, 0.3)

=control-small
  border-radius: $control-radius-small
  font-size: $size-small
=control-medium
  font-size: $size-medium
=control-large
  font-size: $size-large