@collapse-prefix-cls: ~'@{ant-prefix}-collapse';

.@{collapse-prefix-cls} {
  border: @border-width-base @border-style-base @border-color-split;
  & > &-item {
    border-bottom: @border-width-base @border-style-base @border-color-split;
  }

  &-content {
    border-top: @border-width-base @border-style-base @border-color-split;
  }
}