We have covered charity themes for WordPress here in the past. Regardless of what cause you are passionate about, you are going to have a very difficult time getting donations and the right kind of attention without a good looking website. Mission for WordPress is a decent theme that gives your charity website a professional makeover. The theme will look and work fine on small smartphones and large screens.
Mission has an elegant design and is easy to customize. The homepage widget builder makes customizing your content layout easy. You get multiple post types to handle causes, events, and staff member information for your organization. Custom widgets for news, causes, and events are included. Missions is ready to be fully localized. In order to get started faster, you may want to try the demo content.
The Mission theme looks quite elegant and has everything you need to give your charity site a professional makeover. The full HTML version of the theme is included too. There is a lot to like about this theme.