To make it easier for you to express your unique style, Blogger.com have added a new set of blog themes for you to choose from. Each theme comes in a variety of colors, is fully customizable, and can be added to your blog with just a few clicks.

These themes aren’t just designed to look great, they’re designed to work great too. Each one has been built to automatically adjust to any screen and load quickly, so you can rest assured that your readers will be able to easily see your work whether they’re on a computer, phone or tablet.

To check out the four new themes, browse to www.blogger.com, select your blog, then navigate to the "Themes" section.

Source : https://productforums.google.com/forum/#!topic/blogger/dnBZn2UFEe4