@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:105%; margin-left:-2%;  }
	#floor { width:116%; }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:100%; }
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:110%; }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:105%; }
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:130%; }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:100%; }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:110%; margin-left:0.3%; transform: perspective(1820px) rotateX(54deg) rotateY(-2deg) rotateZ(24deg) skewX(0deg) skewY(0deg);}
}