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buttons.less 3.40 KiB
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//
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// Buttons
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// --------------------------------------------------
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// Base styles
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// --------------------------------------------------
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.btn {
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  display: inline-block;
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  margin-bottom: 0; // For input.btn
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  font-weight: @btn-font-weight;
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  text-align: center;
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  vertical-align: middle;
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  cursor: pointer;
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  background-image: none; // Reset unusual Firefox-on-Android default style; see https://github.com/necolas/normalize.css/issues/214
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  border: 1px solid transparent;
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  white-space: nowrap;
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  .button-size(@padding-base-vertical; @padding-base-horizontal; @font-size-base; @line-height-base; @border-radius-base);
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  .user-select(none);
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  &,
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  &:active,
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  &.active {
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    &:focus {
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      .tab-focus();
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    }
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  }
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  &:hover,
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  &:focus {
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    color: @btn-default-color;
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    text-decoration: none;
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  }
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  &:active,
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  &.active {
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    outline: 0;
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    background-image: none;
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    .box-shadow(inset 0 3px 5px rgba(0,0,0,.125));
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  }
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  &.disabled,
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  &[disabled],
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  fieldset[disabled] & {
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    cursor: not-allowed;
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    pointer-events: none; // Future-proof disabling of clicks
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    .opacity(.65);
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    .box-shadow(none);
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  }
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}
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// Alternate buttons
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// --------------------------------------------------
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.btn-default {
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  .button-variant(@btn-default-color; @btn-default-bg; @btn-default-border);
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}
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.btn-primary {
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  .button-variant(@btn-primary-color; @btn-primary-bg; @btn-primary-border);
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}
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// Success appears as green
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.btn-success {
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  .button-variant(@btn-success-color; @btn-success-bg; @btn-success-border);
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}
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// Info appears as blue-green
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.btn-info {
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  .button-variant(@btn-info-color; @btn-info-bg; @btn-info-border);
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}
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// Warning appears as orange .btn-warning { .button-variant(@btn-warning-color; @btn-warning-bg; @btn-warning-border); } // Danger and error appear as red .btn-danger { .button-variant(@btn-danger-color; @btn-danger-bg; @btn-danger-border); } // Link buttons // ------------------------- // Make a button look and behave like a link .btn-link { color: @link-color; font-weight: normal; border-radius: 0; &, &:active, &[disabled], fieldset[disabled] & { background-color: transparent; .box-shadow(none); } &, &:hover, &:focus, &:active { border-color: transparent; } &:hover, &:focus { color: @link-hover-color; text-decoration: underline; background-color: transparent; } &[disabled], fieldset[disabled] & { &:hover, &:focus { color: @btn-link-disabled-color; text-decoration: none; } } } // Button Sizes // -------------------------------------------------- .btn-lg { // line-height: ensure even-numbered height of button next to large input .button-size(@padding-large-vertical; @padding-large-horizontal; @font-size-large; @line-height-large; @border-radius-large); } .btn-sm { // line-height: ensure proper height of button next to small input .button-size(@padding-small-vertical; @padding-small-horizontal; @font-size-small; @line-height-small; @border-radius-small); } .btn-xs { .button-size(@padding-xs-vertical; @padding-xs-horizontal; @font-size-small; @line-height-small; @border-radius-small); } // Block button // -------------------------------------------------- .btn-block { display: block;
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width: 100%; } // Vertically space out multiple block buttons .btn-block + .btn-block { margin-top: 5px; } // Specificity overrides input[type="submit"], input[type="reset"], input[type="button"] { &.btn-block { width: 100%; } }