HTML Code Test

Original

EXTERNAL SENDER: Please use caution with all contents of this email. 
<table style="border:1px #000000 solid; border:0; background-color:#FFFF00;">
    <tbody>
        <tr>
            <td><span style="color: #000000"><strong>EXTERNAL SENDER:</strong> Please use caution with</span> <span style="color: #ff3333"><strong>all contents</strong></span> <span style="color: #000000">of this email.</span></td>         
        </tr>
    </tbody>
</table>

Alternate Format 1

*** EXTERNAL SENDER: Please use caution with all contents of this email. ***

<p style="text-align: center;"><span style="font-size:18px;"><span style="background-color:#FFFF00;"><span style="color: #000000"><strong>*** EXTERNAL SENDER:</strong></span> Please use caution with <span style="color: #ff3333"><strong>all contents</strong></span> <span style="color: #000000">of this email. <strong>***</strong></span></span></span></p>

Alternate Format 2

EXTERNAL SENDER: Please use caution with all contents of this email. 
<table style="border:1px #000000 solid; border:0;">
    <tbody>
        <tr>
            <td><span style="color: #000000; background-color: #FFFF00;"><strong>EXTERNAL SENDER:</strong></span> <span style="color: #000000;">Please use caution with</span> <span style="color: #ff3333"><strong>all contents</strong></span> <span style="color: #000000">of this email.</span></td>
        </tr>
    </tbody>
</table>

Color and formatting HTML codes

Bold

<strong>Bold</strong>

Black Text

<span style="color:#000000">Black text</span> 
<span style="color:#000000"><strong>Black bold text</strong></span>

Red Text

<span style="color:#FF0000;">Red text</span>
<span style="color:#FF0000;"><strong>Red bold text</strong></span>

Pale yellow background

<span style="background-color:#FFFFE0;">Pale yellow background</span>

Bright yellow background

<span style="background-color:#FFFF00;">Bright yellow background</span>