ten-design-vue/lib/style/tree-select.css

ten-vue

/* dependencies tree,input,select */
/**
 * 文字部分
 * size 大小，line 行高， color 颜色
 */
/* button */
/* input */
/* transfer */
/* alert */
/* menu */
/* message */
/* modal */
/* badge */
/* tag */
/* progress */
/* popup */
/* tooltip */
/* loading */
/* tabs */
/* check */
/* mention */
/* popup */
/* steps */
/* tabs */
/* modal */
/* form */
/* table */
/* pagination */
/* upload */
/* collapse */
/* anchor */
/* list */
.ten-tree-select__tree {
  max-height: 400px;
  overflow-y: auto;
}
.ten-tree-select__popup.ten-popup {
  padding: 0;
}
.ten-tree-select__popup .ten-tree-select__empty {
  text-align: center;
  color: #999;
  line-height: 48px;
}