@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:94%; margin-left:-2%;  }
	#floor { transform: perspective(630px) rotateX(69deg) rotateY(0deg) skewX(-5deg) skewY(0deg); width:98%; margin-top:4.9%; margin-left:30.36%; }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { transform: perspective(630px) rotateX(63deg) rotateY(0deg) skewX(0deg) skewY(0deg); width:77%; margin-top:5.9%; margin-left:32.36%; }
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { transform: perspective(500px) rotateX(63deg) rotateY(0deg) skewX(0deg) skewY(0deg); width:77%; margin-top:5.9%; margin-left:30.36%; }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { transform: perspective(630px) rotateX(67deg) rotateY(0deg) skewX(0deg) skewY(0deg); width:83%; margin-top:4.9%; margin-left:32.36%; }
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
	#floor { transform: perspective(630px) rotateX(63deg) rotateY(0deg) skewX(0deg) skewY(0deg); width:77%; margin-top:5.9%; margin-left:32.36%; }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;   }
	#floor { transform: perspective(630px) rotateX(63deg) rotateY(0deg) skewX(0deg) skewY(0deg); width:77%; margin-top:5.9%; margin-left:32.36%; }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { transform: perspective(930px) rotateX(53deg) rotateY(0deg) skewX(0deg) skewY(0deg); width:77%; margin-top:5.9%; margin-left:32.36%; }
}