textarea#tbCommentBody {
width: calc(100% - 20px);border-radius: 10px;outline: 0;padding: 10px;height: 150px;position: relative;background: #fff url(https://images.cnblogs.com/cnblogs_com/elkyo/1566714/o_comment-bg.png);background-size: contain;background-repeat: no-repeat;background-position: right;resize: vertical;
}