You will understand if you put a border to your table. I want to achieve the form layout where Text Input and Button are on a single line, centered horizontally. The .form-group class is the easiest way to add some structure to forms. Bootstrap includes nine base button styles, each of them serving its own semantic purpose. Use radio class if you want to limit the user to just one selection i.e. Both elements are wrapped in .form-outline class which provides a material design look. For these inline forms, you can hide the labels using the .sr-only class. Bootstrap Button Groups; Bootstrap Collapse ; Group form controls and text together on a single line. Bootstrap version is 4.3.1. What I've always done is just wrap the radio button inside the label...