@media (min-width:320px) {
    .logo {
        height: 30px;
    }
    .avisa-title, .avisa-title-centered {
        font-size: 1.2rem;
    }
    footer .about {
        width: 100%;
    }
    footer .contact {
        width: 100%;
    }
}
@media (min-width:576px) {
    .avisa-title, .avisa-title-centered {
        font-size: 1.3rem;
    }
}
@media (min-width:768px) {
    .logo {
        height: 35px;
    }
    .avisa-title, .avisa-title-centered {
        font-size: 1.4rem;
    }
}
@media (min-width:991px) {
    .logo {
        height: 40px;
    }
    .avisa-title, .avisa-title-centered {
        font-size: 1.5rem;
    }
    footer .about {
        width: 50%;
    }
    footer .contact {
        width: auto;
        margin-right: auto;
    }
}
@media (min-width:1199.98px) {
    .avisa-title, .avisa-title-centered {
        font-size: 1.6rem;
    }
    footer .about {
        width: 55%;
    }
}