display

Posted 2022-04-13 普通网友

transition: opacity 0.15s linear;

.fade.in
opacity: 1;

.collapse
display: none;

.collapse.in
display: block;

tr.collapse.in
display: table-row;

tbody.collapse.in
display: table-row-group;

.collapsing
position: relative;
height: 0;
overflow: hidden;
-webkit-transition: height 0.35s ease;
-o-transition: height 0.35s ease;
transition: height 0.35s ease;

.caret
display: inline-block;
width: 0;
height: 0