@charset "UTF-8";

.content_list{
    width: 80%;
    margin: 50px auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}

.content_list:after {
    content: "";
    display: block;
    width: 280px;
    height: 0;
    margin: 20px 10px;
}

.content_list:before {
    content: "";
    display: block;
    width: 280px;
    margin: 20px 10px;
    height: 0;
    order: 1;  
}