Solon best free WordPress theme. Solon is a fully responsive theme, ideal to use if you want your blog to have a slick and modern look. Some of the features that are packed in this theme include: custom logo upload, custom favicon upload, color changing for various elements, including the primary and the secondary color, integration with FontAwesome, about 20 of the most used Google Fonts, option to change the layout from content-sidebar to sidebar-content, css transitions, custom scroll effect and design etc.