#a1565{width:180px;}
#a1566{width:180px;}
.nav .serach .serachBox input.btb{float: right; width: 40px; height: 30px; display: block; border: none; outline: none; cursor: pointer; background: url(https://aais.njau.edu.cn/skin/images/btn_03.png) center center no-repeat;}
.nylist-bj li{width:100%;float: left;margin-bottom: 2.5em;}