grafana/public/sass/components/_buttons.scss

//
// Buttons
// --------------------------------------------------

// Base styles
// --------------------------------------------------

// Core
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: $btn-font-weight;
  line-height: $btn-line-height;
  font-size: $font-size-base;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  border: none;
  height: $height-md;

  @include button-size($btn-padding-y, $space-md, $font-size-base, $border-radius-sm);

  &,
  &:active,
  &.active {
    &:focus,
    &.focus {
      @include no-focus();
    }
  }

  @include hover-focus {
    text-decoration: none;
  }
  &.focus {
    text-decoration: none;
  }

  &:active,
  &.active {
    background-image: none;
    outline: 0;
  }

  &.disabled,
  &[disabled],
  &:disabled {
    cursor: $cursor-disabled;
    opacity: 0.65;
    @include box-shadow(none);
  }

  &--radius-left-0 {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }

  &--radius-right-0 {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }
}

// Button Sizes
// --------------------------------------------------

// Large
.btn-large {
  @include button-size($btn-padding-y-lg, $space-lg, $font-size-lg, $border-radius-sm);
  font-weight: normal;
  height: $height-lg;
  .gicon {
    //font-size: 31px;
    margin-right: $space-sm;
    filter: brightness(100);
  }
}

.btn-small {
  @include button-size($btn-padding-y-sm, $space-sm, $font-size-sm, $border-radius-sm);
  height: $height-sm;
}

// Deprecated, only used by old plugins
.btn-mini {
  @include button-size($btn-padding-y-sm, $space-sm, $font-size-sm, $border-radius-sm);
  height: $height-sm;
}

.btn-link {
  color: $btn-link-color;
  background: transparent;
}

// Set the backgrounds
// -------------------------
.btn-success,
.btn-primary {
  @include buttonBackground($btn-primary-bg, $btn-primary-bg-hl);
}

.btn-secondary {
  @include buttonBackground($btn-secondary-bg, $btn-secondary-bg-hl);
}

// Danger and error appear as red
.btn-danger {
  @include buttonBackground($btn-danger-bg, $btn-danger-bg-hl);
}

// Info appears as a neutral blue
.btn-secondary {
  @include buttonBackground($btn-secondary-bg, $btn-secondary-bg-hl);
  // Inverse appears as dark gray
}
.btn-inverse {
  @include buttonBackground($btn-inverse-bg, $btn-inverse-bg-hl, $btn-inverse-text-color, $btn-inverse-text-shadow);
  //background: $card-background;
  box-shadow: $card-shadow;
  //border: 1px solid $tight-form-func-highlight-bg;
}

.btn-transparent {
  background-color: transparent;
}

.btn-outline-primary {
  @include button-outline-variant($btn-primary-bg);
}
.btn-outline-secondary {
  @include button-outline-variant($btn-secondary-bg-hl);
}
.btn-outline-inverse {
  @include button-outline-variant($btn-inverse-bg);
}
.btn-outline-danger {
  @include button-outline-variant($btn-danger-bg);
}

.btn-outline-disabled {
  @include button-outline-variant($gray-1);
  @include box-shadow(none);
  cursor: default;

  &:hover,
  &:active,
  &:active:hover,
  &:focus {
    color: $gray-1;
    background-color: transparent;
    border-color: $gray-1;
  }
}

// Extra padding
.btn-p-x-2 {
  padding-left: 20px;
  padding-right: 20px;
}

// No horizontal padding
.btn-p-x-0 {
  padding-left: 0;
  padding-right: 0;
}

// External services
// Usage:
// <div class="btn btn-service btn-service--facebook">Button text</div>

$btn-service-icon-width: 35px;
.btn-service {
  position: relative;
}

@each $service, $data in $external-services {
  $serviceBgColor: map-get($data, bgColor);
  $serviceBorderColor: map-get($data, borderColor);

  .btn-service--#{$service} {
    background-color: $serviceBgColor;
    border: 1px solid $serviceBorderColor;

    .btn-service-icon {
      font-size: 24px; // Override
      border-right: 1px solid $serviceBorderColor;
    }
  }
}

.btn-service-icon {
  position: absolute;
  left: 0;
  height: 100%;
  top: 0;
  padding-left: $space-sm;
  padding-right: $space-sm;
  width: $btn-service-icon-width;
  text-align: center;

  &::before {
    position: relative;
    top: 4px;
  }
}

.btn-service--grafanacom {
  .btn-service-icon {
    background-image: url(/public/img/grafana_mask_icon_white.svg);
    background-repeat: no-repeat;
    background-position: 50%;
    background-size: 60%;
  }
}

//Toggle button

.toggle-btn {
  background: $input-label-bg;
  color: $text-color-weak;
  box-shadow: $card-shadow;

  &:first-child {
    border-radius: 2px 0 0 2px;
    margin: 0;
  }
  &:last-child {
    border-radius: 0 2px 2px 0;
    margin-left: 0 !important;
  }

  &.active {
    background-color: lighten($input-label-bg, 5%);
    color: $link-color;
    &:hover {
      cursor: default;
    }
  }
}

//Button animations

.btn-loading span {
  animation-name: blink;
  animation-duration: 1.4s;
  animation-iteration-count: infinite;
  animation-fill-mode: both;
}

.btn-loading span:nth-child(2) {
  animation-delay: 0.2s;
}

.btn-loading span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0% {
    opacity: 0.2;
    font-size: 14;
  }
  20% {
    opacity: 1;
    font-size: 18;
  }
  100% {
    opacity: 0.2;
    font-size: 14;
  }
}