.colum6{background: #fff;}
.colum{background: #e2e2e2; margin: 10px;}

@media screen and (min-width:960px){
	.colum6{ float: left; width: 50%; _width: 49.8888889% }
	#productlist-wrap .list li{width: 25%; _width: 24.8888889%;}
	#productPictureList .list li{width: 33.3333333%; _width: 33%;}
}

@media screen and (min-width:1024px){
	.colum6{ float: left; width: 50%; _width: 49.8888889% }
	#productlist-wrap .list li{width: 25%; _width: 24.8888889%;}
	#productPictureList .list li{width: 33.3333333%; _width: 33%;}
}

@media screen and (min-width:1280px){
	.colum6{ float: left; width: 50%; _width: 49.8888889%; }
	#productlist-wrap .list li{width: 25%; _width: 24.8888889%;}
	#productPictureList .list li{width: 33.3333333%; _width: 33%;}
}

@media screen and (min-width:1440px){
	.colum6{ float: left; width: 25%; _width: 24.8888889%; }
	#productlist-wrap .list li{width: 20%; _width: 19.8888889%;}
	#productPictureList .list li{width: 33.3333333%; _width: 33%;}
}

@media screen and (min-width:1600px){
	.colum6{ float: left;  width: 20%; _width: 19.8888889%; }
	#productlist-wrap .list li{width: 20%; _width: 19.8888889%;}
	#productPictureList .list li{width: 33.3333333%; _width: 33%;}
}

@media screen and (min-width:1900px){
	.colum6{ float: left; width: 16.6666667%; _width: 16.5555556%; }
	#productlist-wrap .list li{width: 20%; _width: 19.8888889%;}
	#productPictureList .list li{width: 33.3333333%; _width: 33%;}
}