@media only screen and (min-width: 640px) {
#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
#wall1 {width:45.5%;margin-top:-4.1%;margin-left:16%;transform: perspective(410px) rotateY(12.2deg) skewY(-2.9deg);}
.wall1_img25 {width:24.58%; } 
#wall2 {width:26%;margin-top:-56.5%;margin-left:63%;transform: perspective(527px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}	
}
@media only screen and (min-width: 800px) {
#bk_image { float:left; width:103%; height:70%;  margin-left:-2%; }
#wall1 {width:39.5%;margin-top:-4.1%;margin-left:20%;transform: perspective(410px) rotateY(12.2deg) skewY(-2.9deg);}
.wall1_img25 {width:24.78%; } 
#wall2 {width:23%;margin-top:-48.5%;margin-left:66%;transform: perspective(527px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}		
}
@media only screen and (min-width: 960px) {
#bk_image { float:left; width:114%; height:106%;margin-left:-8%;  }
#wall1 {width:39.5%;margin-top:-4.1%;margin-left:20%;transform: perspective(410px) rotateY(12.2deg) skewY(-2.9deg);}
.wall1_img25 {width:24.58%; } 
#wall2 {width:23%;margin-top:-48.5%;margin-left:65.8%;transform: perspective(527px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}	
}
@media only screen and (min-width: 1024px) {	
#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
#wall1 {width:40.5%;margin-top:-4.1%;margin-left:19%;transform: perspective(410px) rotateY(12.2deg) skewY(-2.9deg);}
.wall1_img25 {width:24.68%; } 
#wall2 {width:24%;margin-top:-49.5%;margin-left:65%;transform: perspective(527px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}		
}
@media only screen and (min-width: 1280px) {
#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
#wall1 {width:39.5%;margin-top:-4.1%;margin-left:20%;transform: perspective(410px) rotateY(12.2deg) skewY(-2.9deg);}
.wall1_img25 {width:24.78%; } 
#wall2 {width:23%;margin-top:-48.5%;margin-left:66%; transform: perspective(527px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}	
}

@media only screen and (min-width: 1824px) {
#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
#wall1 {width:39.5%;margin-top:-4.1%;margin-left:20%;transform: perspective(410px) rotateY(12.2deg) skewY(-2.9deg);}
.wall1_img25 {width:24.78%; } 
#wall2 {width:23%;margin-top:-48.5%;margin-left:66%;transform: perspective(527px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}	
}
@media only screen and (min-width: 2560px) {
#bk_image { float:left; width:110%; height:96%;  margin-left:-2%; }
#wall1 {width:39.5%;margin-top:-3.4%;margin-left:22%;transform: perspective(810px) rotateY(12.2deg) skewY(-2.5deg);}
.wall1_img25 {width:24.78%; } 
#wall2 {width:25%;margin-top:-50.2%;margin-left:66%; transform: perspective(1127px) rotateY(-18deg) rotateX(0deg) skewX(0deg) skewY(-0.6deg);}	
}