tools_auto_web/node_modules/rc-textarea/assets/index.less

@textarea-prefix-cls: rc-textarea;

.rc-textarea-affix-wrapper {
  display: inline-block;
  box-sizing: border-box;

  textarea {
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 1px solid #1677ff;
  }
}

.@{textarea-prefix-cls}-out-of-range {
  &,
  & textarea {
    color: red;
  }
}