To change the width of the inputs use bootstrap sizing utilities or bootstrap grid system.
Detailed documentation and more examples of Bootstrap inputs width you can find in our Bootstrap Inputs Docs and Bootstrap Sizing Docs.
Example: To change the width of the inputs to 50% add .w-50
class to the .form-group
element.
Note: The red borders mark parent element of the inputs.
You can always place your inputs within grid columns and rows.