.opening_img {
    width: 30%;
    border-radius: 10px;
}

.img_box{
    display: flex;
    gap: 3vw;
    justify-content: center;
}

@media screen and (min-width: 700px) {
    .opening_img {
        width: 27%;
        border-radius: 10px;
    }
}