<textarea name="code" rows="3" cols="20" style="background: #000; color: #fff; border: 2px inset #ccc; line-height: 1.5em; padding: 0 7px; -moz-border-radius: 5px;"> your text < /textarea>

<textarea name="code" rows="3" cols="20" style="background:#BFFAFF; color:#FF0000; border-bottom: 4px solid #40FF1F; border-right: 4px solid #40FF1F; border-top: 4px solid #FFE900; border-left: 4px solid #FFE900; line-height:1.5em; padding:5px; -moz-border-radius:10px;"> your text < /textarea>

<textarea name="code" rows="3" cols="20" style="background: #FFDAAF; color: #7F4500; border: 2px ridge #7F4500; line-height: 1.5em; padding: 5px; -moz-border-radius-topleft: 15px; -moz-border-radius-bottomright: 15px;"> your text < /textarea>

<textarea name="code" rows="3" cols="20" style="background:#DAFFBF; color:#295F00; border:2px #295F00 dashed; line-height:1.5em; padding:5px;"> your text < /textarea>

<textarea name="code" rows="3" cols="20" style="background: #EF0090; color: #FFEFF9; border: 3px dotted #FFEFF9; line-height: 1.5em; padding: 5px;"> your text < /textarea><br />

<br /><textarea name="code" rows="3" co2ls="20" style="background:#FF000A; color:#fff; border:3px double #ffaf; line-height:1.5em; padding:5px;"><br />your text < /textarea>