ant design 修改tab样式

.ant-tabs-ink-bar{
  background-color: transparent !important;
}

.ant-tabs-top .ant-tabs-ink-bar-animated:before{
  content: " ";
  background-color: red;
   50px;
  height: 2px;
  position: absolute;
  margin: auto;
  margin-left: 25%;


}