@media only screen and (min-width: 640px) {
	#bk_image { float:left; width:105%; height:107%; margin-left:-2%;  }
	#floor {  width:81%; margin-top:-9%; margin-left:29%;transform: rotate(42deg) skewX(-5deg) skewY(-4deg);  }
	.floor_img25 { width:10.4%;  } 
}
@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%; transform: rotate(42deg) skewX(-5deg) skewY(-4deg); }
	.floor_img25 { width:10.9%;  } 
}
@media only screen and (min-width: 960px) {
	#bk_image { float:left; width:116%; height:106%; margin-left:-7%;  }
	#floor {  width:81%; margin-top:-9%; margin-left:29%; transform: rotate(42deg) skewX(-5deg) skewY(-4deg); }
	.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%;transform: rotate(42deg) skewX(-5deg) skewY(-4deg);  }
	.floor_img25 { width:10.9%;  } 
}
@media only screen and (min-width: 1280px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;   }
	#floor {  width:81%; margin-top:-9%; margin-left:29%;transform: rotate(42deg) skewX(-5deg) skewY(-4deg);  }
	.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%; transform: rotate(42deg) skewX(-5deg) skewY(-4deg); }
	.floor_img25 { width:10.9%;  } 
}
@media only screen and (min-width: 2560px) {
	#bk_image { float:left; width:103%; height:103%;margin-left:-2%;   }
	#floor {  width:85%; margin-top:-9%; margin-left:23%; transform: rotate(46deg) skewX(3deg) skewY(-4deg); }
	.floor_img25 { width:10.9%;  } 
}