.our_big_box a {
    display: flex;
    flex-direction: column;
}

.our_big_box a .img-box {
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.055);
    overflow: hidden;
}

.our_big_box a .img-box::before {
    padding-top: 100%;
}

.our_big_box a h2 {
    font-size: 22px;
    font-weight: 600;
    margin: 12px 0;
    flex: 1;
}

.our_big_box a span {
    color: #51554c;
    font-size: 14px;
}

.pop_big_box a {
    display: flex;
    gap: 15px;
}

.pop_big_box a .img-box {
    min-width: 50%;
    height: fit-content;
    box-shadow: 0 0 10px #b8b8b849;
    border-radius: 10px;
    overflow: hidden;
}

.pop_big_box a .img-box::before {
    padding-top: 68%;
}

.pop_big_box a h2 {
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.all_left_big_box a .img-box::before {
    padding-top: 68%;
}

.all_left_big_box a .text-box {
    padding: 36px 30px;
    background-color: #fff;
    font-size: 14px;
}

.all_left_big_box a .text-box h2 {
    font-size: 24px;
    margin-bottom: 12px;
}

.all_right_big_box a {
    display: flex;
    gap: 20px;
}

.all_right_big_box a .img-box {
    width: 25.333%;
    height: fit-content;
}

.all_right_big_box a .img-box::before {
    padding-top: 100%;
}

.all_right_big_box a .text-box {
    flex: 1;
    width: calc(100% - 25.333% - 20px);
    padding-top: 8px;
    font-size: 14px;
    font-weight: 300;
}

.all_right_big_box a .text-box span:last-child {
    display: block;
    margin-top: 10px;
    font-weight: 700;
    font-size: 15px;
}

.all_right_big_box a .text-box h2 {
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 600;
}

.our_big_box a:hover h2,
.pop_big_box a:hover h2,
.all_big-box a:hover h2 {
    text-decoration: underline;
}

@media screen and (min-width:770px) {

    .our_big_box a,
    .pop_big_box a {
        width: calc((100% - 60px) / 4);
    }

}


@media screen and (max-width:769px) {

    .our_big_box a {
        width: calc((100% - 10px) /2);
    }


    .pop_big_box a {
        width: 100%;
    }

    .all_left_big_box {
        position: relative;
        top: 0;
    }

    .all_right_big_box a {
        border-bottom: 1px solid rgba(128, 128, 128, 0.171);
        align-items: center;
        padding-bottom: 10px;
    }

    .all_right_big_box a .text-box {
        padding: 0;
    }

    .all_right_big_box a:last-child {
        border-bottom: 0;
    }
}