@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:105%; height:106%;margin-left:-2%;   }
	#floor { width:88%;margin-top:-14%;margin-left:25%; }
	.floor_img25 { width:10%; } 
}
@media only screen and (min-width: 800px) {
	#bk_image { float:left; width:103%; height:70%; margin-left:-2%;  }
	#floor { width:81%;margin-top:-9%;margin-left:29%; }
	.floor_img25 { width:11%; } 
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor { width:92%;margin-top:-9%;margin-left:29%; }
	.floor_img25 { width:11%; } 
}
@media only screen and (min-width: 1024px) {	
	#bk_image { float:left; width:103%; height:67%;  margin-left:-2%; }
	#floor { width:81%;margin-top:-9%;margin-left:29%; }
	.floor_img25 { width:10.8%; } 
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor { width:92%;margin-top:-9%;margin-left:29%; }
	.floor_img25 { width:11%; } 
}
@media only screen and (min-width: 1824px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor {width:81%;margin-top:-9%;margin-left:29%; }
	.floor_img25 { width:11.6%; } 
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%; margin-left:-2%;  }
	#floor {width:92%;margin-top:-10%;margin-left:27%; }
	.floor_img25 { width:11.6%; } 
}