.hideallscreen { display: none; }
.showallscreen { display: table-cell; }
.screenbigonly { }
.screenmediumonly { }
.screensmallonly { }
.screenbigmedium { }
.screenbigsmall { }
.screenmediumsmall { }

@media all and (min-width: 1750px) // big onlu
{
    .screenbigonly { display: table-cell; }
    .screenmediumonly { display: none; }
    .screensmallonly { display: none; }
    .screenbigmedium { display: table-cell; }
    .screenbigsmall { display: table-cell; }
    .screenmediumsmall { display: none; }
}

@media all and (max-width: 1750px) and (min-width: 850px)
{
    .screenbigonly { display: none; }
    .screenmediumonly { display: table-cell; }
    .screensmallonly { display: none; }
    .screenbigmedium { display: table-cell; }
    .screenbigsmall { display: none; }
    .screenmediumsmall { display: table-cell; }
}

@media all and (max-width: 850px)
{
    .screenbigonly { display: none; }
    .screenmediumonly { display: none; }
    .screensmallonly { display: table-cell; }
    .screenbigmedium { display: none; }
    .screenbigsmall { display: table-cell; }
    .screenmediumsmall { display: table-cell; }
}