body {
}
.certificateBox ul {
    padding-bottom: 50px;
  	padding-top:30px;
}
.certificateBox ul li {
    float: left;
    width: 250px;
    text-align: center;
    margin-right: 66px;
    margin-top: 30px;
}
.certificateBox ul li:nth-child(4n) {
    margin-right: 0;
}
.certificateBox ul li  a {
    display: block;
}

.certificateBox ul li .imgbox {
    border: 1px solid #e9e9e9;
    width: 248px;
    height: 288px;
    text-align: center;
    font-size: 0;
    display: table-cell;
    vertical-align: middle;
}
.certificateBox ul li .imgbox img {
    display: inline-block;
    max-width: 248px;
    max-height: 288px;
}
.certificateBox ul li h3 {
    font-size: 16px;
    line-height: 20px;
    color: #333;
    height: 40px;
    margin-top: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}