@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:105%; height:105%;margin-left:-2%;   }
	#floor { width:113%; transform: perspective(1820px) rotateX(66deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg); }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }	
	#floor { width:90%;transform: perspective(1820px) rotateX(66deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg);}
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:90%; transform: perspective(1820px) rotateX(66deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg); }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:96%; transform: perspective(1820px) rotateX(66deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg);}
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;   }
	#floor { width:90%; transform: perspective(1820px) rotateX(66deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg); }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
	#floor { width:90%;transform: perspective(1820px) rotateX(66deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg); }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:90%;transform: perspective(1820px) rotateX(58deg) rotateY(2deg) rotateZ(31deg) skewX(2deg) skewY(-16deg); }
}