Eurus is a free Tumblr theme that features a highly modern and elegant layout. This theme comes with a very stylish design that looks like premium themes, which makes it one of the best Tumblr themes in our collection. This theme even comes with social sharing buttons (for a long list of social media websites), reblog, and sharing buttons right on the homepage. Eurus theme is very easy to customize. You can even use your custom logo and favicon using this theme. Eurus theme also comes with complete cross-browser compatibility. You can also integrate this theme with Disqus comment and Google analytics. This theme also comes with widgets for various social media sites, including Flickr, Dribble, Instagram, and Twitter.