@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:103%; height:105%; margin-left:-2%;  }
	#floor { width:93%;transform: perspective(650px) rotateX(71deg) skewX(0deg);  }
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%;margin-left:-2%;   }
	#floor { width:80%;transform: perspective(650px) rotateX(71deg) skewX(0deg);  }
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:80%; transform: perspective(650px) rotateX(71deg) skewX(0deg); }
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%; margin-left:-2%;  }
	#floor { width:85%;transform: perspective(650px) rotateX(71deg) skewX(0deg); }
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;   }
	#floor { width:80%;transform: perspective(650px) rotateX(71deg) skewX(0deg);  }
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:80%;transform: perspective(650px) rotateX(71deg) skewX(0deg); }
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:95%;transform: perspective(1250px) rotateX(71deg) skewX(-3deg); }
}