.comments_form_input
{
border: 1px solid darkgray;
color: darkslategray;
font-size:11px;
font: normal small Arial, Helvetica, sans-serif;
-moz-border-radius:7px;
}

.comments_form_input_red
{
-moz-border-radius:5px;
border:1px solid red;
color:red;
font-size:11px;
font: normal small Arial, Helvetica, sans-serif;

}