.sell-content-wrapper .sell-list {
    margin: 0 auto;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
}
.sell-content-wrapper .sell-list .sell-section {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    margin-bottom: 60px;
}
.sell-content-wrapper .sell-list .sell-section:nth-child(1) {
    margin-bottom: 60px;
}