@media screen and (max-width: 500px) {
    .logo {
        height: 55px;
    }
    .section1 {
        padding: 25px 0;
    }

    .section2 {
        text-align: center;
    }

    .section3 {
        text-align: center;
    }

    .start-trial {
        display: inline-block;
    }

    .nav-item {
        text-align: center;
    }

}