grafana/public/sass/components/_buttons.scss

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

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

// Core
.btn {
  display: inline-block;
  font-weight: $btn-font-weight;
  line-height: $btn-line-height;
  font-size: $font-size-base;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  border: $input-btn-border-width solid transparent;

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

  &,
  &:active,
  &.active {
    &:focus,
    &.focus {
      @include tab-focus();
    }
  }

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

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

  &.disabled,
  &:disabled {
    cursor: $cursor-disabled;
    opacity: .65;
    @include box-shadow(none);
  }
}

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

// Large
.btn-large {
  @include button-size($btn-padding-y-lg, $btn-padding-x-lg, $font-size-lg, $btn-border-radius);
}

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

.btn-mini {
  @include button-size($btn-padding-y-sm, $btn-padding-x-sm, $font-size-xs, $btn-border-radius);
}

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

// Set the backgrounds
// -------------------------
.btn-primary {
  @include buttonBackground($btn-primary-bg, $btn-primary-bg-hl);
}
.btn-secondary {
  @include buttonBackground($btn-secondary-bg, $btn-secondary-bg-hl);
}
// Warning appears are orange
.btn-warning {
  @include buttonBackground($btn-warning-bg, $btn-warning-bg-hl);
}
// Danger and error appear as red
.btn-danger {
  @include buttonBackground($btn-danger-bg, $btn-danger-bg-hl);
}
// Success appears as green
.btn-success {
  @include buttonBackground($btn-success-bg, $btn-success-bg-hl);
}
// Info appears as a neutral blue
.btn-secondary {
  @include buttonBackground($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);
  //background: $card-background;
  box-shadow: $card-shadow;
  //border: 1px solid $tight-form-func-highlight-bg;
}

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