body
{
  margin: 0px;
}

img#background
{
  position: relative;
  width: 100%;
  height: auto;
  display: block
}

img#background_mobile
{
	display: none;
}

/*For a Phone*/
@media screen and (max-width:990px)and (max-height:1700px) {
	
	img#background
	{
	  display: none;
	}

	img#background_mobile
	{
		position: relative;
		width: 100%;
		height: auto;
		display: block
	}
}