The Form Elements are is what you need to look at.

/* Form elements */
input,textarea, select {
	color : #000000;
	font: normal 11px Verdana, Arial, Helvetica, sans-serif;
	border-color : #000000;
}

/* The text input fields background colour */
input.post, textarea.post, select {
	background-color : #FFFFFF;
}

input { text-indent : 2px; }

/* The buttons used for bbCode styling in message post */
input.button {
	background-color : #EFEFEF;
	color : #000000;
	font-size: 11px; font-family: Verdana, Arial, Helvetica, sans-serif;
}

/* The main submit button option */
input.mainoption {
	background-color : #FAFAFA;
	font-weight : bold;
}

/* None-bold submit button */
input.liteoption {
	background-color : #FAFAFA;
	font-weight : normal;
}

/* Form elements */ 
input,textarea,select{
border-color:#000000;
color:#000000;
border:1px solid;
font:normal 11px Verdana,Arial,Helvetica,sans-serif}
}

/* Form elements */
input{
border-color:#000000;
color:#000000;
border:1px solid;
font:normal 11px Verdana,Arial,Helvetica,sans-serif}
}

/* Form elements */
textarea{
border-color:#000000;
color:#000000;
border:1px solid;
font:normal 11px Verdana,Arial,Helvetica,sans-serif}
}

/* Form elements */
select{
border-color:#000000;
color:#000000;
border:1px solid;
font:normal 11px Verdana,Arial,Helvetica,sans-serif}
}