mirror of
https://github.com/jgthms/bulma
synced 2026-03-15 02:04:29 -07:00
192 lines
5.5 KiB
Sass
192 lines
5.5 KiB
Sass
$button: $grey-darker !default
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$button-background: $white !default
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$button-border: $grey-lighter !default
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$button-hover: $link-hover !default
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$button-hover-border: $link-hover-border !default
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$button-focus: $link-focus !default
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$button-focus-border: $link-focus-border !default
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$button-active: $link-active !default
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$button-active-border: $link-active-border !default
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$button-shadow-inset: inset 0 1px 2px rgba($black, 0.2)
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@function buttonIconSpacing($button-size, $icon-width)
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// The rem height of the button
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$button-height: 2.5 * $button-size
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// For the button to be square, the horizontal padding + the icon width must equal the button height.
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// We know that $horizontal-padding = 2em
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$horizontal-padding: 2 * $button-size
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// We want to solve:
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// $button-height = $horizontal-padding + $icon-width + $x
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$x: $button-height - $horizontal-padding - $icon-width
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// We divide by 2 to apply this margin on both the left and right sides
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@return abs($x) / 2
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=button-icon($button-size)
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$small-spacing: buttonIconSpacing($button-size, 1rem)
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$normal-spacing: buttonIconSpacing($button-size, 1.5rem)
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$medium-spacing: buttonIconSpacing($button-size, 2rem)
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$large-spacing: buttonIconSpacing($button-size, 3rem)
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.icon
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&:first-child:not(:last-child)
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margin-left: -$normal-spacing / 2
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margin-right: $normal-spacing
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&:last-child:not(:first-child)
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margin-left: $normal-spacing
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margin-right: -$normal-spacing / 2
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&:first-child:last-child
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margin-left: calc(-1px - #{$normal-spacing})
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margin-right: calc(-1px - #{$normal-spacing})
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&.is-small
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&:first-child:not(:last-child)
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margin-left: -$small-spacing / 2
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margin-right: $small-spacing
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&:last-child:not(:first-child)
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margin-left: $small-spacing
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margin-right: -$small-spacing / 2
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&:first-child:last-child
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margin-left: calc(-1px - #{$small-spacing})
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margin-right: calc(-1px - #{$small-spacing})
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&.is-medium
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&:first-child:not(:last-child)
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margin-left: -$medium-spacing / 2
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margin-right: $medium-spacing
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&:last-child:not(:first-child)
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margin-left: $medium-spacing
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margin-right: -$medium-spacing / 2
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&:first-child:last-child
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margin-left: calc(-1px - #{$medium-spacing})
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margin-right: calc(-1px - #{$medium-spacing})
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&.is-large
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&:first-child:not(:last-child)
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margin-left: -$large-spacing / 2
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margin-right: $large-spacing
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&:last-child:not(:first-child)
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margin-left: $large-spacing
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margin-right: -$large-spacing / 2
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&:first-child:last-child
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margin-left: calc(-1px - #{$large-spacing})
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margin-right: calc(-1px - #{$large-spacing})
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// The button sizes use mixins so they can be used at different breakpoints
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=button-small
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border-radius: $radius-small
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font-size: $size-small
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+button-icon($size-small)
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=button-medium
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font-size: $size-medium
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+button-icon($size-medium)
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=button-large
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font-size: $size-large
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+button-icon($size-large)
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.button
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+control
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+unselectable
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background-color: $button-background
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border: 1px solid $button-border
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color: $button
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cursor: pointer
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justify-content: center
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padding-left: 1em
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padding-right: 1em
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text-align: center
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white-space: nowrap
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strong
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color: inherit
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+button-icon($size-normal)
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// States
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&:hover,
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&.is-hovered
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border-color: $button-hover-border
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color: $button-hover
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&:focus,
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&.is-focused
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border-color: $button-focus-border
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box-shadow: 0 0 0.5em rgba($button-focus-border, 0.25)
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color: $button-focus
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&:active,
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&.is-active
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border-color: $button-active-border
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box-shadow: $button-shadow-inset
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color: $button-active
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// Colors
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&.is-link
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background-color: transparent
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border-color: transparent
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color: $text
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text-decoration: underline
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&:hover,
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&.is-hovered,
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&:focus,
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&.is-focused,
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&:active,
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&.is-active
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background-color: $background
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color: $text-strong
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@each $name, $pair in $colors
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$color: nth($pair, 1)
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$color-invert: nth($pair, 2)
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&.is-#{$name}
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background-color: $color
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border-color: transparent
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color: $color-invert
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&:hover,
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&.is-hovered
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background-color: darken($color, 2.5%)
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border-color: transparent
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color: $color-invert
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&:focus,
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&.is-focused
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border-color: transparent
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box-shadow: 0 0 0.5em rgba($color, 0.25)
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color: $color-invert
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&:active,
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&.is-active
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background-color: darken($color, 5%)
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border-color: transparent
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box-shadow: $button-shadow-inset
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color: $color-invert
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&.is-inverted
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background-color: $color-invert
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color: $color
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&:hover
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background-color: darken($color-invert, 5%)
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&.is-loading
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&:after
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border-color: transparent transparent $color-invert $color-invert !important
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&.is-outlined
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background-color: transparent
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border-color: $color
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border-width: 1px
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color: $color
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&:hover,
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&:focus
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background-color: $color
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border-color: $color
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color: $color-invert
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// Sizes
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&.is-small
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+button-small
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&.is-medium
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+button-medium
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&.is-large
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+button-large
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// Modifiers
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&[disabled],
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&.is-disabled
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opacity: 0.5
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&.is-fullwidth
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display: flex
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width: 100%
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&.is-loading
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color: transparent !important
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pointer-events: none
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&:after
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+loader
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+center(16px)
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position: absolute !important
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