#app .logo{text-align:center;font-size:bold;width:120px;height:31px;font-size:25px;line-height:30px;background:#fff;margin:16px 24px 16px 0;float:left;margin-left:20%;border-radius:5px}.footer{text-align:center;font-size:15px;line-height:10px}.suojin{margin-left:-12px}