@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%; }
	#wall1 {width:78.3%;margin-top:-0.8%;margin-left:15.2%;}
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%;margin-left:-2%;  }
	#wall1 {width:67.3%;margin-top:-0.8%;margin-left:19.2%;}
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-6%;  }
	#wall1 {width:67.3%;margin-top:-0.8%;margin-left:19.2%;}
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%; }
	#wall1 {width:73.3%;margin-top:-0.8%;margin-left:17.2%;}
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;  }
	#wall1 {width:67.3%;margin-top:-0.8%;margin-left:19.2%;}
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;  }
	#wall1 {width:67.3%;margin-top:-0.8%;margin-left:19.2%;}
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:110%; height:96%;margin-left:-2%;  }
	#wall1 {width:69.3%;margin-top:-0.8%;margin-left:19.2%;}
}