.logo_div{border: 1px solid #F2F2F2;width: 300px;float: left;height: 200px;margin: 10px 10px;  position: relative;}
.logo_div img{max-width:300px;max-height: 200px;  position: absolute;top: 0;bottom: 0;left: 0;right: 0;margin: auto;}
.banner_w{width: 100%;text-align: center;  }
.container{background-color: white;}