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

@-moz-document domain("wassr.jp") {
   #SideBox-Info   {opacity:0.8 !important}
   .Side-hd        {opacity:0.8 !important}
   .Side-contents  {opacity:0.8 !important}
   .Side-ft        {opacity:0.8 !important}
   .UserFriends    {opacity:0.8 !important}
   .UserChannels   {opacity:0.8 !important}
   #SideBox-Odai   {opacity:0.6 !important}
   #SideBox-Invite {opacity:0.6 !important}
   #Side-QR        {opacity:0.6 !important}
}