# CSS Classes

There are already some CSS classes declared, to make your designing a little easier. As you may have already noticed, many are already being used in the basic interface you get by default.

| Class          | Description                                                                     |
| -------------- | ------------------------------------------------------------------------------- |
| `center`       | Positions the element in the horizontal center of the screen.                   |
| `left`         | Positions the element in the left side of the screen.                           |
| `right`        | Positions the element in the right side of the screen.                          |
| `bottom`       | Positions the element in the bottom of the screen.                              |
| `middle`       | Positions the element in the middle of the screen, vertically and horizontally. |
| `text--left`   | Aligns the content to the left.                                                 |
| text`--`center | Aligns the content to the center.                                               |
| `text--right`  | Aligns the content to the right.                                                |
| `vertical`     | Distributes the content vertically.                                             |
| `horizontal`   | Distributes the content horizontally.                                           |