@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:113%; height:110%; margin-left:-2%;  }
	#floor { width:99%; margin-top:-12%; margin-left:8%;transform: perspective(1750px) rotateX(63deg) skewX(-1deg);  }
	.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:-12%; margin-left:8%;transform: perspective(1750px) rotateX(63deg) skewX(-2deg);  }
	.floor_img25 { width:9%; } 
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:85%; margin-top:-12%; margin-left:8%;transform: perspective(1750px) rotateX(63deg) skewX(-2deg);  }
	.floor_img25 { width:9%; } 
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:88%; margin-top:-12%; margin-left:8%;transform: perspective(1750px) rotateX(63deg) skewX(-2deg);  }
	.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:95%; margin-top:-12%; margin-left:8%;transform: perspective(1750px) rotateX(63deg) skewX(2deg);  }
	.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:-12%; margin-left:8%;transform: perspective(1750px) rotateX(63deg) skewX(-2deg);  }
	.floor_img25 { width:9%; } 
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:81%; margin-top:-12%; margin-left:8%;transform: perspective(1750px) rotateX(53deg) skewX(-2deg);  }
	.floor_img25 { width:9%; } 
}