@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:105%; margin-left:-2%;  }
	#floor {transform: perspective(1220px) rotateX(61deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor {transform: perspective(1220px) rotateX(61deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor {transform: perspective(1220px) rotateX(61deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor {transform: perspective(1220px) rotateX(61deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor {transform: perspective(1220px) rotateX(61deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}

@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%;  margin-left:-2%; }
	#floor {transform: perspective(1220px) rotateX(61deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor {transform: perspective(1220px) rotateX(41deg) rotateY(0deg) rotateZ(0deg) skewX(-1deg) skewY(0deg);width:77%;margin-left:26%;margin-top:-14%;}
}