A less error occured trying to build your bundle. Please paste the error below in an issue for us at http://github.com/twitter/bootsrap! thanks! {"type":"Name","message":"variable @greyLighter is undefined","filename":"bootstrap.css","index":6285,"line":215,"column":25,"extract":["@navbarText: @white;","@navbarSearchBackground: @greyLighter;","@navbarSearchBorder: @greyLight;"]}