7b2美化评论框美化添加背景图

代码放到css样式

/*评论背景图*/
 textarea#textarea {
    background-color:transparent; background:url(https://imgsa.baidu.com/forum/pic/item/d439b6003af33a871f7e3f0e9b5c10385343b597.jpg) right 10px bottom 10px no-repeat;
    -moz-transition:ease-in-out 0.45s;
    -webkit-transition:ease-in-out 0.45s;
    -o-transition:ease-in-out 0.45s;
    -ms-transition:ease-in-out 0.45s;
    transition:ease-in-out 0.45s;
}
 textarea#textarea:focus {
    background-position-y:789px;
    -moz-transition:ease-in-out 0.45s;
    -webkit-transition:ease-in-out 0.45s;
    -o-transition:ease-in-out 0.45s;
    -ms-transition:ease-in-out 0.45s;
    transition:ease-in-out 0.45s;
}
/*评论背景图结束*/