@media only screen and (min-width: 601px) {
    div .example {
        font-size: 9px;
        text-align: center;
    }

}

/* If the screen size is 600px or less, set the font-size of <div> to 30px */
@media only screen and (max-width: 600px) {
     div.example {
        font-size: 15px;
        text-align: center;
    }
}
@media screen and (max-width:1900px) {
    #content {
        margin-left: 251px;
        margin-top: -197px;
        
    }
}

/*@media screen and (min-width: 420px) and (max-width: 1000px) {
    #sidebar {
        margin-left: -30px;
    }

    #content {
        margin-left: 221px;
        margin-top: -197px;
    }

    #separator {
        height: 50px;
    }
}*/