@media only screen and (max-width: 1260px) {
    .allhoidap {
        width: 1000px;
    }
}

@media only screen and (max-width: 1020px) {
    .allhoidap {
        width: 820px;
    }
}

@media only screen and (max-width: 871px) {
    .allhoidap {
        width: 720px;
    }
}

@media only screen and (max-width: 740px) {
    .allhoidap {
        flex-direction: column;
        margin: 0 20px;
    }

    .left-hoidap {
        margin: 0;
    }
}