#nb{display:none;}


@media (max-width: 768px) {
    
#header div img
{
    margin-left:-20px;
    margin-top:5px;
    width: 90px;
    height: 80px;
}
}

@media (min-width: 1024px) {

 #header div img
{
    margin-left:-20px;
    margin-top:5px;
    width: 90px;
    height: 80px;
}
}

@media (max-height: 500px) {
  
   #header div img
{
    margin-left:-20px;
    margin-top:5px;
    width: 90px;
    height: 80px;
}
}