[Trident]

border: 1px dotted #0600FF;

include it in your style "headinclude" in part :
-- ( TEXTAREA, .bginput ) --

like this :

TEXTAREA {
FONT-SIZE: 15px;
FONT-FAMILY: Arial,Verdana,Helvetica,sans-serif;
COLOR: #000000;
FONT-WEIGHT: bold;
BACKGROUND-COLOR: #EFEFEF
border: 1px dotted #063CFF;
}

or/and

.bginput {
FONT-SIZE: 15px;
FONT-FAMILY: Arial,Verdana,Helvetica,sans-serif;
COLOR: #000000;
FONT-WEIGHT: bold;
BACKGROUND-COLOR: #EFEFEF
border: 1px dotted #063CFF;
}