Fastest Magento 2 & Magento 1 theme is designed with intelligence and good UX design for all mobile devices. Furthermore,Fastest Magento 2 & Magento 1 themes provides you abilities to choose a fully responsive website or a mobile optimization theme for mobile devices.Fastest Responsive Web Design makes your web page look good on all devices (desktops, tablets, and phones).Fastest Responsive Web Design is about using CSS.