#main {
    margin-bottom: 130px;
}
#main ul {
    margin: -43px 0 101px;
    display: flex;
    flex-wrap: wrap;
}
#main li {
    margin: 43px 43px 0 0;
    width: 304px;
}
#main li:nth-child(3n) {
    margin-right: 0;
}
#main li:nth-child(3n-1) {
    width: 306px;
}
@media all and (max-width: 896px) {
    #main ul {
        margin: 0 0 50px;
        display: block;
    }
    #main li {
        margin: 0 0 25px;
        width: auto;
    }
    #main li:nth-child(3n-1) {
        width: auto;
    }
    #main li img {
        width: 100%;
    }
}