**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.

**This article** is just an example of what we can do with bootstrap.
Grid System allows you to use some responsive helpers classes to hide or show depending of the device size.