Creating your own Bootstrap theme is a bit of an undertaking. The good news is that once you've done it you can reuse a ton of the code for future themes. That's where the real power in making your code modular comes into play. Instead of starting over from scratch each time, you can reuse old code and just extend it. In the last section, we learned how to customize the button component that was the start of our own theme. Let's first start by looking at some common Bootstrap components that you'll want to customize for your own themes.
There are many ways that you can theme Bootstrap. In some cases, you may only need to customize a few components to get a unique look and feel going. However, you may want to do a more thorough theming process so that your theme doesn't resemble the default Bootstrap look at all. In this section, let's start by listing some of the common components you will most likely want to customize.
Next we'll...