// // Component animations // -------------------------------------------------- // Heads up! // // We don't use the `.opacity()` mixin here since it causes a bug with text // fields in IE7-8. Source: https://github.com/twbs/bootstrap/pull/3552. .fade { opacity: 0; .transition(opacity .15s linear); &.in { opacity: 1; } } .fade-bottom { opacity: 0; .transition(all 1s linear); .translate(0, 20px); &.in { opacity: 1; .translate(0, 0); } } .collapse { display: none; &.in { display: block; } tr&.in { display: table-row; } tbody&.in { display: table-row-group; } } .collapsing { position: relative; height: 0; overflow: hidden; .transition-property(~"height, visibility"); .transition-duration(.35s); .transition-timing-function(ease); }