@media screen
{
  #main {display: none;}
  #menu {width:  240px;}
}




@media screen and (min-width:  512px)
{
  #main {display: none;}
  #menu {width:  480px;}
}




@media screen and (min-width:  768px)
{
  #main {display: none;}
  #menu {width:  720px;}
}




@media screen and (min-width: 1024px)
{
  #main {display: none;}
  #menu {width:  960px;}
}




@media screen and (min-width: 1280px)
{
  #main {display: none;}
  #menu {width: 1200px;}
}




@media screen and (min-width: 1536px)
{
  #main {display: none;}
  #menu {width: 1440px;}
}




@media screen and (min-width: 1792px)
{
  #main {display: none;}
  #menu {width: 1680px;}
}




@media screen and (min-width: 2048px)
{
  #main {display: none;} 
  #menu {width: 1920px;}
}




/****************/