#fondo-blanco{
    background-color: white;
    position: relative;
}



@media(max-width: 1339px){    
    #fondo-blanco #img-grupos{
        display: none;
    }    
}

@media(min-width: 768px){
    #fondo-blanco{        
        max-width: 620px;
        min-height: 100vh;
        padding: 80px 65px 30px 65px;
    }    
}
@media(max-width: 767px){
    #fondo-blanco{
        padding: 30px 20px;
    }
    #fondo-blanco > div{
        width: 100%;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
}