The blocks you can freely place in the content areas of concrete5 are very powerful and have almost no limit regarding their flexibility. This also means that they can display a lot of different things, starting from a simple text output to a video, a complex form, picture galleries, and even data from other systems.
This flexibility also means that certain blocks can have a lot of output including some formatting, which might not fit into your theme's layout. In such a case you can either try to change it by using a CSS file, and if this doesn't work, add or override a new block template. The latter is exactly what we're going to look at in this chapter.
We'll cover the following topics in this chapter: