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@prefixCls: ant-collapse;
@borderStyle: 1px solid #e9e9e9;
#arrow {
.common(){
width: 0;
height: 0;
font-size: 0;
line-height: 0;
}
.right(@w, @h, @color) {
border-top: @w solid transparent;
border-bottom: @w solid transparent;
border-left: @h solid @color;
}
.bottom(@w, @h, @color) {
border-left: @w solid transparent;
border-right: @w solid transparent;
border-top: @h solid @color;
}
}
.@{prefixCls} {
background-color: #f4f4f4;
border-radius: 3px;
border-top: @borderStyle;
border-left: @borderStyle;
border-right: @borderStyle;
& > &-item {
> .@{prefixCls}-header {
height: 38px;
line-height: 38px;
text-indent: 16px;
color: #666;
border-bottom: @borderStyle;
&:before {
display: inline-block;
content: '\20';
#arrow > .common();
#arrow > .right(3px, 4px, #666);
vertical-align: middle;
margin-right: 8px;
}
}
}
&-content {
height: 0;
transition-duration: .3s;
transition-timing-function: cubic-bezier(0.215, 0.61, 0.355, 1);
overflow: hidden;
color: #999;
padding: 0 16px;
background-color: #fff;
& > &-box {
margin-top: 16px;
margin-bottom: 16px;
}
}
&-item:last-child {
> .@{prefixCls}-content {
border-radius: 0 0 3px 3px;
}
}
&-content-active {
border-bottom: @borderStyle;
}
& > &-item-active {
> .@{prefixCls}-header {
border-bottom: none;
&:before {
#arrow > .bottom(3px, 4px, #666);
margin-right: 6px;
}
}
}
}