#home {
    width: 45vw;
    margin-left: auto;
    margin-right: auto;
}

#home_options {
    width: 15vw;
    margin-left: auto;
    margin-right: auto;
}

@media screen and (orientation: portrait) {
    #home {
        width: 90vw;
    }

    #home_options {
        width: 35vw;
    }
}