Untitled

as i get the code (content) from the browser:

                        <style type="text/css">body{font-family:"Helvetica Neue",Arial,Helvetica,"Nimbus Sans L",sans-serif;line-height:18px;border:0;margin:0;padding:0;vertical-align:baseline;}
h3{color:#222;display:block;font-size:1.17em;font-weight:bold;-webkit-margin-before:1em;-webkit-margin-after:1em;-webkit-margin-start:0px;-webkit-margin-end: 0px;}
hr{background-color:#000;border:none;height:4px;}p{color:#666;font-size:12px;font-weight:normal;}</style>
<p></head><body><br />
<h3>1.<a href="http://www.sitedrawings.com/wp-login.php?action=register">Register For This Site</a> &#8211; OR &#8211;  <a href="http://www.sitedrawings.com/wp-login.php">Login</a></h3>
<h3>2.<a href="http://www.sitedrawings.com/?page_id=48">Upload</a> your sketches, artwork, or other documents to be used in the creation of your CAD drawings.</span></h3>

<h3>3.<a href="http://www.sitedrawings.com/?page_id=16">Order</a> the type and quantity of CAD drawings you need.</h3>
<p>Need help? <a href="http://www.sitedrawings.com/?page_id=43">Contact Us.</a></p>
<p></p>
<hr />
</p>
<h3>The Sightdrawings.com Difference</h3>
<p>Sightdrawings.com is a leader in CAD drawings specifically for wireless site audits.  We utilize drafters, technical illustrators, graphic artists, and digital imaging specialists to deliver quality drawings.  Our certified drafters, with the American Design Drafting Association, check every drawing to ensure the highest quality.  Standards set by the National Institute of Building Sciences are applied to every drawing.  Contingent on customer specifications, each drawing will conform to National Cad Standards 4.0.  We have a one hundred percent satisfaction guarantee or your money back.  A three day expedited service is offered for critical drawings.  Our standard seven day turnaround guarantee ensures you receive your drawings quickly.  Please see the terms of service for a complete description of terms and exclusions.</p>
<p>Every drawing is tailored to customer’s standards.  Based on customer content, the drawings may include, component label(s), component position, component representation, dimensions of size, location, and orientation, equipment and component correlation,  equipment label(s), equipment position, equipment representation, hatching, instruction(s), leader(s), moving part(s) range of position(s), and note(s).  Title block information may include; addendums, CAD dwg file, and checked by information, contact name, customer and/or carrier logo, customer name, address, date of drawing, drawn by information, email address, phone number, revisions, scale, sheet number, sheet title, site address, site identification number, site name, terms of use, and other details prescribed by the customer.</p>

<p>The drawings will be delivered via customer email in Adobe® PDF file format for size A (letter) 8.5” x 11” paper, optimized for grayscale printing, and field ready.  If other delivery and format options are necessary please contact your representative.</p>
<p></body><br />
</html></p>

none of the styles, head, body is valid or allowed in this context;
if you need to style the section , wrap it into a div with a css class,
and use that in style.css for styling.

after tidying the code:

<div class="contact-us">

<h3>1.<a href="http://www.sitedrawings.com/wp-login.php?action=register">Register For This Site</a> &#8211; OR &#8211;  <a href="http://www.sitedrawings.com/wp-login.php">Login</a></h3>
<h3>2.<a href="http://www.sitedrawings.com/?page_id=48">Upload</a> your sketches, artwork, or other documents to be used in the creation of your CAD drawings.</span></h3>

<h3>3.<a href="http://www.sitedrawings.com/?page_id=16">Order</a> the type and quantity of CAD drawings you need.</h3>
<p>Need help? <a href="http://www.sitedrawings.com/?page_id=43">Contact Us.</a></p>
<p></p>
<hr />
</p>
<h3>The Sightdrawings.com Difference</h3>
<p>Sightdrawings.com is a leader in CAD drawings specifically for wireless site audits.  We utilize drafters, technical illustrators, graphic artists, and digital imaging specialists to deliver quality drawings.  Our certified drafters, with the American Design Drafting Association, check every drawing to ensure the highest quality.  Standards set by the National Institute of Building Sciences are applied to every drawing.  Contingent on customer specifications, each drawing will conform to National Cad Standards 4.0.  We have a one hundred percent satisfaction guarantee or your money back.  A three day expedited service is offered for critical drawings.  Our standard seven day turnaround guarantee ensures you receive your drawings quickly.  Please see the terms of service for a complete description of terms and exclusions.</p>
<p>Every drawing is tailored to customer’s standards.  Based on customer content, the drawings may include, component label(s), component position, component representation, dimensions of size, location, and orientation, equipment and component correlation,  equipment label(s), equipment position, equipment representation, hatching, instruction(s), leader(s), moving part(s) range of position(s), and note(s).  Title block information may include; addendums, CAD dwg file, and checked by information, contact name, customer and/or carrier logo, customer name, address, date of drawing, drawn by information, email address, phone number, revisions, scale, sheet number, sheet title, site address, site identification number, site name, terms of use, and other details prescribed by the customer.</p>

<p>The drawings will be delivered via customer email in Adobe® PDF file format for size A (letter) 8.5” x 11” paper, optimized for grayscale printing, and field ready.  If other delivery and format options are necessary please contact your representative.</p>

</div> <!--closes div .contact-us -->


and this would go into style.css, somewhere at the end.
if it is needed at all

.contact-us{font-family:"Helvetica Neue",Arial,Helvetica,"Nimbus Sans L",sans-serif;line-height:18px;border:0;margin:0;padding:0;vertical-align:baseline;}
.contact-us h3{color:#222;display:block;font-size:1.17em;font-weight:bold;-webkit-margin-before:1em;-webkit-margin-after:1em;-webkit-margin-start:0px;-webkit-margin-end: 0px;}
.contact-us hr{background-color:#000;border:none;height:4px;}
.contact-us p{color:#666;font-size:12px;font-weight:normal;}