@media only screen and (max-width:768px){.ProductBox{width:calc(50% - 10px)}}@media only screen and (min-width:768px)and (max-width:1024px){.ProductBox{width:calc(25% - 10px)}}@media only screen and (min-width:1024px)and (max-width:1250px){.ProductBox{width:calc(20% - 10px)}}