On input focus change color of label. How?

Question

On input focus I want to change the color of the label element. How can I achieve this in less?

.control-label{
      color: @gray-light;
}
.co         


        

Answer 1

The easy way is to use :focus-within check developer mozilla

.control-group:focus-within .control-label {
   color: red;
}

Or

.control-group:focus-within label {
   color: red;
}