@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:105%; margin-left:-2%;  }
	#floor { width:98%;margin-left:20%;transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(45deg) skewX(-9deg) skewY(0deg); }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:85%;margin-left:20%;transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(45deg) skewX(-9deg) skewY(0deg); }
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:85%;margin-left:20%;transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(45deg) skewX(-9deg) skewY(0deg);  }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:89%;margin-left:20%;  transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(45deg) skewX(-9deg) skewY(0deg);}
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:85%;margin-left:20%; transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(45deg) skewX(-9deg) skewY(0deg); }
}

@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:85%;margin-left:20%;transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(45deg) skewX(-9deg) skewY(0deg); }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:89%;margin-left:17%;transform: perspective(1500px) rotateX(14deg) rotateY(-1deg) rotateZ(51deg) skewX(-9deg) skewY(0deg); }
}