comments in css

CSS
/* a comment in css *//* This is a CSS comment! */
/* Remember that you have to add the end bit on comments or all your
code will turn to comments! Thease comments can go over several lines! *//* This text is commented in CSS :) *//* this is some commented out css
.my-field{
   font-size:10px;
   border:1px solid red;
}
*/
Source

Also in CSS: