@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:105%; height:105%; margin-left:-2%;  }
	#floor { width:87%; margin-top:-3.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	 }
	.floor_img25 {  width:8.4%; }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:81%; margin-top:-4.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	}
	.floor_img25 {  width:8.9%; } 
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:81%; margin-top:-4.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);}
	.floor_img25 {  width:8.9%; } 
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:81%; margin-top:-4.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	}
	.floor_img25 {  width:8.9%; } 
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:81%; margin-top:-2.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	}
	.floor_img25 {  width:9%; } 
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:81%; margin-top:-2.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	}
	.floor_img25 {  width:9%; } 
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:81%; margin-top:-2.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	}
	.floor_img25 {  width:9%; } 
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:94%; margin-top:-5.4%; margin-left:8%; transform: perspective(1850px) rotateX(19deg) skewX(0deg);	}
	.floor_img25 {  width:9%; } 
}