下方代码放后台-自定义CSS

/*评论框图片_[猫之书_mzhis.com]*/
textarea.form-control {
 resize: vertical;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: right;
  margin-bottom: 2px;
  background-image: url(图片链接);
  transition: all 0.25s ease-in-out 0s;
}