---
title: Add id Attributes to Bootstrap Elements
---
## Add id Attributes to Bootstrap Elements
The last challenge had you adding a class to your button elements, this time you have to add id(s) to the div(s) which have the well class.
### Hint 1
An id is declared as follows:
```html
```
### Hint 2
Edit the div tags which have the well class
### Hint 3
Use different id(s) for both wells.
### Hint 4
Give the well on the left the id of ``` left-well ``` and the well on the right the id of ``` right-well ```.
### Solution
Since you have to add id(s) to both the wells and have both with a unique id, the following is the solution:
```html
```