You can try bootstrap templates. It's responsive.

Responsive web design is an approach to web design aimed at allowing desktop webpages to be viewed in response to the size of the device one is viewing with.

Responsive Web design (RWD) is a Web design approach aimed at crafting sites to provide an optimal viewing experience—easy reading and navigation with a minimum of resizing, panning, and scrolling—across a wide range of devices (from mobile phones to desktop computer monitors).

Responsive website improves the usability of the product. In today’s world, where more and more users are consuming information on your mobile devices.