How would you clean up and/or prevent HTML/CSS markup code such as the following?

Code:
<p><span><span  style="background-color: #f0ffff; color:  #0000ff;"><strong><span style="text-decoration:  underline;"><span style="background-color: #ffffff;">Firstbio Person<br />
  *******  </span></span></strong><span  style="background-color: #ffffff; color: #000000;">I received . . .  from  . . ... .</span></span></span></p>
  ******* <p><span><span style="background-color: #ffffff; color: #000000;">My advice . . . career.<br />
  ******* </span><span style="background-color: #f0ffff; color: #0000ff;"><br />
  ******* </span></span></p>
 ******* 
  *******  <p><span style="text-decoration:  underline;"><strong><span style="background-color:  #00ffff;"><span style="background-color: #ffffff; color:  #0000ff;">Secondbio Person <br  /></span></span></strong></span>My name is  Secondbio Person.* I received a .... </p>
  ******** <p>My advice . . ..</p>
   ******* <p>Please take a look* <br />. . . </p>

    *******  <p><span style="background-color: #ffffff;"><span  style="background-color: #00ffff;"><strong><span  style="text-decoration: underline;"><span style="background-color:  #ffffff; color: #0000ff;">Thirdbio Person</span></span></strong></span></span><span  style="background-color:  #ffffff;"><span style="background-color:  #00ffff;"><strong><span style="text-decoration:  underline;"><span style="background-color: #ffffff; color:  #0000ff;"><br />
  *******  </span></span></strong></span><span  style="background-color: #ffffff;"><span style="background-color:  #ee82ee;">
  <span style="background-color: #f0f8ff;">My name  is BIO Person,. . . classes.* </span><span  style="background-color: #f0f8ff;">My main goal . . . </span></span></span></span></p>
  *******  <p><span style="background-color: #f0f8ff;"><span  style="background-color: #ffffff;">My advice . . .</span></span></p>
  ******* <p><span  style="background-color:  #f0f8ff;"><span style="background-color: #ffffff;">Some of the  ...:* </span></span><span  style="background-color: #f0f8ff;"><a  href="..."><span style="background-color:  #ffffff;">http://.../</span></a></span><span  style="background-color: #f0f8ff;"><span style="background-color:  #ffffff;"><br />
  ******* This site . . .codes.</span></span></p>
  ******* <p><span style="background-color: #f0f8ff;">
  <a href="http://..."><span style="background-color: #ffffff;">
  <a  href="http://l...*  ">http://...<span style="background-color:  #ffffff;">/*  </span></a></span></a></span>
  <span  style="background-color: #f0f8ff;"><span style="background-color:  #ffffff;"><span style="background-color: #ffffff;"><br  />
  ******* This site . . .</span></span></span></p>
  *******  <p><span style="background-color: #f0f8ff;"><a  href="http://..."><span  style="background-color:  #ffffff;">http://...</span></a><span  style="background-color: #ffffff;">* <br />
  ******* This website . . .</span></span></p>
  *******  <p><span style="background-color: #f0f8ff;"><span  style="background-color: #ffffff;"> Trust me....</span></span></p>

  *******  <p><span style="background-color: #f0f8ff;"><span  style="background-color: #ffffff;"><strong><span  style="text-decoration: underline;"><span style="background-color:  #00ffff;"><span style="background-color: #ffffff; color:  #0000ff;">Fourthbio Person<br />
  *******  </span></span></span></strong>My name is Fourthbio Person, . . .  courses.</span></span></p>
  *******  <p><span style="background-color: #f0f8ff;"><span  style="background-color: #ffffff;">I love ... </span></span></p>
  ******* <p><span style="background-color: #f0f8ff;"><span  style="background-color: #ffffff;">My advice . . .</span></span></p>

  *******  <p><span style="background-color: #f0f8ff;"><span  style="color: #0000ff;"><span style="background-color:  #ffffff;"><strong><span style="text-decoration:  underline;">Fifthbio Person<br />
  *******  </span></strong><span style="color: #000000;">I have ....</span></span></span></span></p>
  ******* <p><span style="background-color: #f0f8ff;"><span  style="color: #0000ff;"><span style="background-color:  #ffffff;"><span style="color: #000000;">My advice . . . .</span><br />
  *******  </span></span></span></p>
******* 
    <p><span  style="background-color: #f0f8ff;"><span style="color:  #0000ff;"><span style="background-color:  #ffffff;"><strong><span style="text-decoration:  underline;">Sixthbio Person<br />
  *******  </span></strong><span style="color: #000000;">I  received . . . courses.</span></span></span></span></p>
  *******  <p><span style="background-color: #f0f8ff;"><span  style="color: #0000ff;"><span style="background-color: #ffffff;  color: #000000;">My advice . . .</span></span></span></p>

  **    <p>  <span style="background-color:  #f0f8ff;"><span style="background-color:  #ffffff;"><strong><span style="text-decoration:  underline;"><span style="background-color: #00ffff;"><span  style="background-color: #ffffff; color: #0000ff;">Seventhbio Person<br />
  *******  </span></span></span></strong>My name is Seventhbio Person. . . . math courses at  ....</span></span></p>
  ******* <p><span  style="background-color: #f0f8ff;"><span style="background-color:  #ffffff;">My interests . . .</span></span></p>
  *******  <p><span style="background-color: #f0f8ff;"><span  style="background-color: #ffffff;">My advice . . .<br />
  *******  </span></span></p>

  ***   <p><strong><span  style="text-decoration: underline;"><span  style="background-color: #f0f8ff;"><br />
  ******* </span></span></strong><span style="background-color: #f0f8ff;"><br />
  ******* </span></p>

  *******  <p><span style="background-color: #f0f8ff;"><span  style="background-color: #f0f8ff;"></span><br />
  ******* </span><span style="background-color: #f0f8ff;"><br />
  ******* </span></p>

  ******* <p> </p>
  ******* <p> </p>
 ***
See discussion at http://www.webdeveloper.com/forum/sh...TML-CSS-markup