#elcos
  { width: 80%;
  }
#elcos h2 
  { margin-left:15%;
    margin-top:4em;
  }
p 
  { margin-left:15%;
    margin-right:5%;
    margin-top: 0.5em;
  }
#foto
  { float: right;
    margin-left: 2em;
    margin-right: 2em;
  }