GitHub - shaack/bootstrap-input-spinner: A Bootstrap plugin to create input spinner elements for number input
![html - Input groups button bigger than input in Bootstrap 3 using Jumbotron container - Stack Overflow html - Input groups button bigger than input in Bootstrap 3 using Jumbotron container - Stack Overflow](https://i.stack.imgur.com/fgIaX.png)
html - Input groups button bigger than input in Bootstrap 3 using Jumbotron container - Stack Overflow
has-error does not change the color of buttons in an input-group · Issue #11659 · twbs/bootstrap · GitHub
![Missing border radius on input group with validation feedback · Issue #25110 · twbs/bootstrap · GitHub Missing border radius on input group with validation feedback · Issue #25110 · twbs/bootstrap · GitHub](https://user-images.githubusercontent.com/23639869/34426369-e70a858c-ec35-11e7-86f4-f178276e1f6e.png)