body {
  padding: 0;
  margin: 0;
  font-size: 12px;
  background: #FFF;
  }
#contenidor {
  float:left;
  margin-top: 50px;
  margin-left: 100px;
  width: 750px;
  /*background: black;*/
  background: white;
  font-family: sans-serif;
  }
#div1b {
  float: left;
  /*color: white;*/
  color: #040205;
  /*background: black;*/
  background: white;
  width:300px;
  }
#div1b p {
  margin: 2em 1em 1em 2em;
  margin-top: 2em;
  font-size: 90%;
  }
#div1b a:hover {
  font-weight: bold;
  }
#div1b ul {
  margin-top: 1.5em;
  margin-left: 1.0em;
  padding: 0;
  text-indent: 0;
  }
#div1b li {
  list-style-type: none;
  font-weight: bold;
  padding: 0;
  }
#div1b li>ul {
  margin-top: 0;
  }
#div1b a {
  text-decoration: none;
  /*color: white;*/
  color: #040205;
  }
#div1b a:hover {
  color: #AAAAAA;
  } 
#div2b {
  float: right;
  text-align: left;
  background: #EEE;
  }
#div2b img {
  padding: 0;
  margin: 0;
  margin-bottom: -3px;
  }