Adding asterisk to required fields in Bootstrap 3

Question

My HTML has a class called .required that is assigned to required fields.

Here is the HTML:

Answer 1

This works for me:

CSS

.form-group.required.control-label:before{
   content: "*";
   color: red;
}

OR

.form-group.required.control-label:after{
   content: "*";
   color: red;
}

Basic HTML