h1, h2, h3, h4, hr {
	clear: both;
}

h1, h2 {
    background-color: #FFD39B;
}

  body {
    padding-left: 16em; 
    font-size: 1em;
    font-family: Verdana, Geneva, Arial, sans-serif
	}
  body.labs {
    padding-left: 0.5em; 
    font-size: 1em;
    font-family: Verdana, Geneva, Arial, sans-serif
	}
  div.navbar {
    list-style-type: none;
    padding: 1em; 
    margin: 0;  
    position: absolute; 
    top: 0em;
    left: 0em;
    width: 15em ;
    background-color: #ccccFF ;
    font-size: 0.9em;
  }
  h1 {
    font-family: Verdana, Geneva, Arial, sans-serif 
  }
  ul.navbar li {
    margin: 0.0em 0;
    padding: 0.0em;
  }
  ul.navbar a {
    text-decoration: none ;
	}
  p.footer {
    font-size: 0.5em;
  }
  p.practice {
    font-size: 1.5em;
    color: green;
    font-family: Palatino;
    text-align: center;
  }
  p.calculator {
    font-size: 1.5em;
    color: brown;
    font-family: Palatino;
    text-align: center;
  }
  p.centered {
    text-align: center;
  }
a:hover {
   background: #dddddd;
}
td.home {
    font-size: 1.5em;
    font-family: Palatino;
}
td.lastmodified {
    font-size: 0.8em;
    font-family: Palatino;
}