@media only screen and (max-width: 5000px) and (min-width: 2000px)  
{
    #mrlogo
    {
        height: 500%;
    }
}
@media only screen and (max-width: 2000px) and (min-width: 1000px)  
{
    #mrlogo
    {
        height: 500%;
    }
}
@media only screen and (max-width: 1000px) and (min-width: 500px)  
{
    #mrlogo
    {
        height: 300%;
    }
}
@media only screen and (max-width: 500px) and (min-width: 100px)  
{
    #mrlogo
    {
        height: 250%;
    }
}