Seamonkey Mail Fonts

* {font-size: 9pt !important; font-family: Verdana !important;}
* treechildren {font-size: 9pt !important; font-family: Verdana !important;}


Edit: HOME/.mozilla/seamonkey/{profilename.default}/chrome/userChrome.css


For Firefox Toolbars etc

#navigator-toolbox {font-size: 10pt !important; font-family: Tahoma !important;}

menupopup:not(.in-menulist) > menuitem,
menupopup:not(.in-menulist) > menu {
  padding-block: 2px !important; /* reduce to 3px, 2px, 1px or 0px as needed */
  min-height: unset !important; /* v92.0 - for padding below 4px */
}