Here is a table to understand the behaviors of all the different values for property white-space:
| New lines | Spaces and tabs | Text wrapping | |
|---|---|---|---|
| normal | Collapse | Collapse | Wrap |
| pre | Preserve | Preserve | No wrap |
| nowrap | Collapse | Collapse | No wrap |
| pre-wrap | Preserve | Preserve | Wrap |
| pre-line | Preserve | Collapse | Wrap |
Source: white-space | CSS-Tricks