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

@-moz-document domain(facebook.com) {

.UIRoundedBox_Corner
{
   /* Change the color in the following line to the color you want the border to be: */
   border-color:darkgreen !important;
   border-style:solid !important;
   border-width:2px 1px 1px !important;
   -moz-border-radius:5px !important;
}
.UIRoundedBox_Corner .UIRoundedBox_Corner
{
   border:none !important;
}
.UIComposer_Content,.UIRoundedBox_Corner,.UIRoundedBox_Side
{
   /* Change the color in the following line to the color you want the background to be: */
   background:lightgreen !important;
}

}