's font-family to FontAwesome. transparency, value between 0 and 1. Introduction. CSS Variables. There is a problem if one wants to have smaller controls like in Bootstrap. Add CSS¶. Styling the input text field. Adjust a series of parameters to get the look and field out of your HTML text inputs, email fields and passwords fields that you've never gotten before! Consider the CSS … So, this tutorial explains how you can place the Font Awesome icon inside the input field using CSS. 0. On the left is the default rendering of an , ,