@media (max-width: 767px) { 
    main {
        margin: 80px 0 30px;
    }
    .flexbox {
        flex-wrap: wrap;
        display: flex;
        justify-content: space-between;
        align-items: top;
        width: 100%;
    }
    .flexbox .box-load {
        width: 40%;
        height: 150px;
        opacity: 0;
        visibility: hidden;
        transition: all 1s;
    }
    .flexbox .box-load.is-show {
        width: 40%;
        height: 150px;
        margin:0 5% 10%;
        box-shadow: none;
        opacity: 1;
        visibility: visible;
        border-radius: 1px;
    }
    .flexbox .box-load img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        border-radius: 1px;
    }
}