The development and revision of HTML5 and growing consistency in CSS3 support are rapidly changing the approach developers and designers take when creating modern websites. HTML5 is helping to remove the need for third-party plugins so websites are more widely compatible across browsers and devices, and allows for cleaner, more accessible and elegant coding. This post brings together 25 inspirational websites designed using HTML5 and CSS3, brilliant examples of the next stage in web development. We are just beginning to see the power and potential of these technologies as designers test the possibilities, as such several of these sites are portfolios demonstrating developers' projects and skills.