@namespace url(http://www.w3.org/1999/xhtml);

@-moz-document domain("mail.google.com") {

/* CHANGE GLOBAL FONT */
*{ font-family: "Segoe UI", Ariel !important; }

/* HIDE CHAT STATUS */
span[id^=":sk"],.nH .uk,.vu {display:none !important;visibility:hidden !important;}

/* CHANGE SIDEBAR FONT SIZE */
.nH.pp{font-size:14px !important;}
h2.pw{font-size:13px !important;}
.p5,.p9{font-size:13px !important;}
.nH .pP .p5,.nH .pP .p9{font-size:11px !important;}

/* CHAT BOX MODIFICATIONS */
.vB{border-bottom:1px solid #bbb !important;border-top:1px solid #bbb !important;}

/* HIDE INVITE BOX */
div.pY { display: none !important; }
}