Fix toolbar vertical alignment.

| Q             | A
| ------------- | ---
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes
| Fixed tickets | 
| License       | MIT
| Doc PR        | 

Fix the vertical alignment of texts in the toolbar. This issue appears when a reset css contain ```vertical-align: top/bottom/middle;```