#h2-cases{
    font-size: 29px;    
}

@media only screen and (min-width:768px) {
    #h2-cases {
        font-size: 29px;
    }
    #textbox3-cases{
        padding-top: 80px !important;
        }
}

@media only screen and (min-width: 992px) {
    #textbox3-cases{
    padding-top: 80px;
    }

    #h2-cases {
        font-size: 48px;
        padding: 0 150px;

    }
    #p-cases{
        padding: 0 440px;
    }

    #h4-cases-headline{
        font-size: 36px;
    }

}