react-markdown-editor-lite/src/plugins/header/HeaderList.less

a light-weight Markdown editor based on React

.rc-md-editor {
  .header-list {  
    .list-item {
      width: 100px;
      box-sizing: border-box;
      padding: 8px 0;
      &:hover {
        background: #f5f5f5
      }
    }
  }
}