@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:105%; margin-left:-2%;  }
	#floor { width:114%; transform: perspective(1220px) rotateX(81deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg);}
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:76%; transform: perspective(1220px) rotateX(81deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg); }
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:83%;transform: perspective(1220px) rotateX(81deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg); }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:88%; transform: perspective(1220px) rotateX(81deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg); }
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:76%; transform: perspective(1220px) rotateX(81deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg); }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:76%; transform: perspective(1220px) rotateX(81deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg); }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:76%; transform: perspective(1220px) rotateX(67deg) rotateY(0deg) rotateZ(0deg) skewX(-3deg) skewY(0deg); }
}