butterfly/app/static/sass/bootstrap/_button-groups.sass

//
// Button groups
// --------------------------------------------------

// Button carets
//
// Match the button text color to the arrow/caret for indicating dropdown-ness.

.caret
  .btn-default &
    border-top-color: $btn-default-color
  .btn-primary &,
  .btn-success &,
  .btn-warning &,
  .btn-danger &,
  .btn-info &
    border-top-color: #fff

.dropup
  .btn-default .caret
    border-bottom-color: $btn-default-color
  .btn-primary,
  .btn-success,
  .btn-warning,
  .btn-danger,
  .btn-info
    .caret
      border-bottom-color: #fff

// Make the div behave like a button

.btn-group,
.btn-group-vertical
  position: relative
  display: inline-block
  vertical-align: middle
  // match .btn alignment given font-size hack above
  > .btn
    position: relative
    float: left
    // Bring the "active" button to the front
    &:hover,
    &:focus,
    &:active,
    &.active
      z-index: 2
    &:focus
      // Remove focus outline when dropdown JS adds it after closing the menu
      outline: none

// Prevent double borders when buttons are next to each other
.btn-group
  .btn + .btn,
  .btn + .btn-group,
  .btn-group + .btn,
  .btn-group + .btn-group
    margin-left: -1px

// Optional: Group multiple button groups together for a toolbar
.btn-toolbar
  +clearfix
  .btn-group
    float: left
  // Space out series of button groups
  > .btn,
  > .btn-group
    + .btn,
    + .btn-group
      margin-left: 5px

.btn-group > .btn:not(:first-child):not(:last-child):not(.dropdown-toggle)
  border-radius: 0

// Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
.btn-group > .btn:first-child
  margin-left: 0
  &:not(:last-child):not(.dropdown-toggle)
    +border-right-radius(0)

// Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it

.btn-group > .btn:last-child:not(:first-child),
.btn-group > .dropdown-toggle:not(:first-child)
  +border-left-radius(0)

// Custom edits for including btn-groups within btn-groups (useful for including dropdown buttons within a btn-group)
.btn-group > .btn-group
  float: left

.btn-group > .btn-group:not(:first-child):not(:last-child) > .btn
  border-radius: 0

.btn-group > .btn-group:first-child
  > .btn:last-child,
  > .dropdown-toggle
    +border-right-radius(0)

.btn-group > .btn-group:last-child > .btn:first-child
  +border-left-radius(0)

// On active and open, don't show outline

.btn-group .dropdown-toggle:active,
.btn-group.open .dropdown-toggle
  outline: 0

// Sizing
//
// Remix the default button sizing classes into new ones for easier manipulation.

.btn-group-xs > .btn
  @extend .btn-xs

.btn-group-sm > .btn
  @extend .btn-sm

.btn-group-lg > .btn
  @extend .btn-lg

// Split button dropdowns
// ----------------------

// Give the line between buttons some depth
.btn-group > .btn + .dropdown-toggle
  padding-left: 8px
  padding-right: 8px

.btn-group > .btn-lg + .dropdown-toggle
  padding-left: 12px
  padding-right: 12px

// The clickable button for toggling the menu
// Remove the gradient and set the same inset shadow as the :active state
.btn-group.open .dropdown-toggle
  +box-shadow(inset 0 3px 5px rgba(0, 0, 0, 0.125))
  // Show no shadow for `.btn-link` since it has no other button styles.
  &.btn-link
    +box-shadow(none)

// Reposition the caret
.btn .caret
  margin-left: 0

// Carets in other button sizes
.btn-lg .caret
  border-width: $caret-width-large $caret-width-large 0
  border-bottom-width: 0

// Upside down carets for .dropup
.dropup .btn-lg .caret
  border-width: 0 $caret-width-large $caret-width-large

// Vertical button groups
// ----------------------

.btn-group-vertical
  > .btn,
  > .btn-group
    display: block
    float: none
    width: 100%
    max-width: 100%
  // Clear floats so dropdown menus can be properly placed
  > .btn-group
    +clearfix
    > .btn
      float: none
  > .btn + .btn,
  > .btn + .btn-group,
  > .btn-group + .btn,
  > .btn-group + .btn-group
    margin-top: -1px
    margin-left: 0

.btn-group-vertical > .btn
  &:not(:first-child):not(:last-child)
    border-radius: 0
  &:first-child:not(:last-child)
    border-top-right-radius: $border-radius-base
    +border-bottom-radius(0)
  &:last-child:not(:first-child)
    border-bottom-left-radius: $border-radius-base
    +border-top-radius(0)

.btn-group-vertical > .btn-group:not(:first-child):not(:last-child) > .btn
  border-radius: 0

.btn-group-vertical > .btn-group:first-child
  > .btn:last-child,
  > .dropdown-toggle
    +border-bottom-radius(0)

.btn-group-vertical > .btn-group:last-child > .btn:first-child
  +border-top-radius(0)

// Justified button groups
// ----------------------

.btn-group-justified
  display: table
  width: 100%
  table-layout: fixed
  border-collapse: separate
  .btn
    float: none
    display: table-cell
    width: 1%

// Checkbox and radio options

[data-toggle="buttons"] > .btn > input[type="radio"],
[data-toggle="buttons"] > .btn > input[type="checkbox"]
  display: none