.certList-container .pr_box1 {margin-bottom:0;}
.certList-container .certificate_factory ul {width: auto;}
.certList-container .certificate_factory ul li {width: 25%;float: left;height: 220px;box-sizing: border-box;margin:0 0 26px 0;border:0;padding:0;}
.certList-container .certificate_factory ul li .p_pic {margin-right: 16px;}
.certList-container .certificate_factory ul li:nth-child(4n+0) .p_pic {margin-right: 0px;}
.certList-container .certificate_factory ul li .p_pic {border: 1px solid #e1e1e1;height: 220px;display: -webkit-box;display: -webkit-flex;display: -ms-flexbox;display: flex;text-align: center;width: auto;-webkit-box-align: center;-webkit-align-items: center;-ms-flex-align: center;align-items: center;-webkit-box-pack: center;-webkit-justify-content: center;-ms-flex-pack: center;justify-content: center;}
.certList-container .certificate_factory img {max-width: 100%;max-height: 220px;}
.certList-container .certificate_factory {margin: 20px 0 10px 0;}
.certList-container .certificate_factory.cert_width_big ul li {height:280px;}
.certList-container .certificate_factory.cert_width_big ul li .p_pic{height:280px;}
.certList-container .certificate_factory.cert_width_big img{max-height:280px;}