HOW TO CHANGE THE DESIGN OF YOUR BLOG USING A BASIC TOOLS:
1. Click the design button that you will see on the top but right side and then when you have seen it click it.
2. And then when you click the design button on the right top side you will see a customize button on the bottom side of your blog.
3. And when you have click the customize button an optional design will appear on your screen and then you can pick any type of design you want from your blog.
4. After finishing your design you need to click the "apply to blog" on the right top side and after that its already finish and you can look now at the background of your blog by opening them.