.el-collapse {
  background-color: transparent;
  border: 1px solid @dark--collapse-border-color;
  .el-collapse-item__header {
    background: @dark--collapse-header-background;
    color: @dark--collapse-title-color;
    border-bottom: 1px solid @dark--collapse-border-color;
    .collapse-title {
      font-size: 20px;
    }
  }
  .el-collapse-item__wrap {
    background-color: @dark--collapse-container-background;
    color: @dark--collapse-text-color;
    border-bottom: 1px solid @dark--collapse-border-color;
  }
  .is-active {
  }
}