.header_menu {
    display: flex;
    justify-content: center;
    color: #EEEEEE;
}
.login_menu {
    display: flex;
    justify-content: center;
    color: #EEEEEE;
}
.footer_menu {
    display: flex;
    justify-content: center;
    color: #EEEEEE;
}
@media screen and (max-width: 480px) {
    .footer_menu {
        display: block;
    }
}