Input groups bigger than input in Bootstrap 3 using Jumbotron container

Question

I\'m experimenting a strange behavior with Bootstrap 3 input groups. When I add an input-group-addon (text or icon) to a form inside a jumbotron, the input-group height is bigge

Answer 1

I fixed it be adding id="search_button" to my button:

    
    
        GO
    

I then applied the following style to my button:

#search_button {
    width: 90px;
    margin: 0 auto;
    text-align: justify;
}

That's all.