a.nav_imp_2 {
    height: 290px;
    font-size: 140%;
    margin-top: 15px;
    border: 10px solid #FFF;
}

a.nav_imp_2:hover {
    border: 10px solid #F3C900;
}

a.nav_imp_2 span {
    background-color: #fff;
}

a.nav_imp_2:hover span {
    background-color: #F3C900;
}

@media screen and (max-width: 1366px) {
    a.nav_imp_2 {
        height: 210px;
        font-size: 100%;
        margin-top: 15px;
        border: 5px solid #FFF;
    }
    a.nav_imp_2:hover {
        border: 5px solid #F3C900;
    }
}

@media screen and (max-width: 1200px) {
    a.nav_imp_2 {
        height: 165px;
        font-size: 80%;
        margin-top: 15px;
        border: 5px solid #FFF;
    }
}

@media screen and (max-width: 991px) {
    .slider {
        height: 400px;
    }
}

@media screen and (max-width: 767px) {
    a.nav_imp_2 {
        width: auto;
        font-size: 110%;
        border: 0 solid #FFF!important;
        padding: 0;
        height: auto;
        margin-top: 0;
        color: #fff;
    }
    a.nav_imp_2 span {
        background-color: #363B3F;
    }
    a.nav_imp_2:hover {
        border: 5px solid #F3C900;
        color: #363B3F;
    }
    .slider {
        height: auto;
    }
}