@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:107%; height:105%; margin-left:-2%;  }
	#floor { width:99%; margin-left:-4.6%;  }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:94%; margin-left:-3.6%;}
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:113%; margin-left:-3.6%; }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:98%; margin-left:-3.6%;  }
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:113%; margin-left:-3.6%; }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:94%; margin-left:-3.6%;  }
}
@media only screen and (min-width: 2560px) {
#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
#floor { width:113%; margin-left:-3.6%;margin-top:-5.1%;transform: perspective(1820px) rotateX(40deg) rotateY(1deg) rotateZ(49deg) skewX(-4deg) skewY(-11deg);  }
}