@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%; }
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:46.3%;transform: perspective(100px) rotateY(-6.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.71%;transform: perspective(100px) rotateY(5.7deg) skewY(-1deg);}
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%;margin-left:-2%;  }
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:46.3%;transform: perspective(100px) rotateY(-6.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.71%;transform: perspective(100px) rotateY(5.7deg) skewY(-1deg);}
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-6%;  }
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:45.7%;transform: perspective(100px) rotateY(-6.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.71%;transform: perspective(100px) rotateY(5.7deg) skewY(-1deg);}
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%; }
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:46.3%;transform: perspective(100px) rotateY(-6.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.71%;transform: perspective(100px) rotateY(5.7deg) skewY(-1deg);}
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;  }	
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:46.3%;transform: perspective(100px) rotateY(-6.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.71%;transform: perspective(100px) rotateY(5.7deg) skewY(-1deg);}
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%;  margin-left:-2%;}
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:46.3%;transform: perspective(100px) rotateY(-6.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.71%;transform: perspective(100px) rotateY(5.7deg) skewY(-1deg);}
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:96%; margin-left:-2%; }
	#wall1 {width:20.6%;margin-top:1.1%;margin-left:47.6%;transform: perspective(100px) rotateY(-2.5deg) skewY(-3deg);}
	#wall2 {width:20.6%;margin-top:-0.8%;margin-left:-0.31%;transform: perspective(100px) rotateY(3.7deg) skewY(-1deg);}
}