Edit foundation-icons.css

icon.css

/* 
 * Foundation Icons v 3.0
 * Made by ZURB 2013 http://zurb.com/playground/foundation-icon-fonts-3
 * MIT License
 */

@font-face {
  font-family: "foundation-icons";
  src: url("../font/foundation-icons.eot");
  src: url("../font/foundation-icons.eot?#iefix") format("embedded-opentype"),
       url("../font/foundation-icons.woff") format("woff"),
       url("../font/foundation-icons.ttf") format("truetype"),
       url("../font/foundation-icons.svg#fontcustom") format("svg");
  font-weight: normal;
  font-style: normal;
}