This is playlist of self hosted videos.
The style guide provides you with a blueprint of the theme's default post and page HTML styles. The style guide is also a great reference for suggested typographic treatment and styles for your content.
This text is in actual Excerpt field. Duis autem vel eum iriure dolor in hendrerit in vulputate velit esse molestie consequat, vel illum dolore.
Image post format. On single post page it acts like standard post, in posts list it displays an image followed by "Excerpt" field content or post title if no "Excerpt" field set.