.summary {
    margin-bottom: 400px;
}
.summary-title {
    margin: 35px auto;
    font-size:24px;
    font-weight:600;
    color:rgba(74,74,74,1);
    text-align: center;
}
.summary-des {
    font-size:16px;
    font-weight:400;
    color:rgba(102,102,102,1);
    line-height:32px;
}