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							|  | // Component animations
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							|  | // --------------------------------------------------
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							|  | 
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							|  | // Heads up!
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							|  | //
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							|  | // We don't use the `.opacity()` mixin here since it causes a bug with text
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							|  | // fields in IE7-8. Source: https://github.com/twbs/bootstrap/pull/3552.
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							|  | 
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							|  | .fade {
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							|  |   opacity: 0;
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							|  |   .transition(opacity .15s linear);
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							|  |   &.in {
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							|  |     opacity: 1;
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							|  |   }
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							|  | }
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							|  | 
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							|  | .collapse {
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							|  |   display: none;
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							|  | 
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							|  |   &.in      { display: block; }
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							|  |   tr&.in    { display: table-row; }
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							|  |   tbody&.in { display: table-row-group; }
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							|  | }
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							|  | 
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							|  | .collapsing {
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							|  |   position: relative;
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							|  |   height: 0;
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							|  |   overflow: hidden;
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							|  |   .transition(height .35s ease);
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							|  | }
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