h1 {
	  font-size: xx-large;
	  font-weight: em;
          letter-spacing: 1px;
	  margin-bottom: 0em;
	  text-align: center;
	  }
  h2 {
	  font-size: x-large;
	  font-weight: em;
          letter-spacing: 1px;
	  text-align: center;
          margin: 0em
	  }
  h3 {
	  font-size: large;
	  font-weight: em;
          letter-spacing: 1px;
	  margin-bottom: 0px;
	  text-align: center;
          margin: 1em
	  }
  h4 {
	  font-size: medium;
	  font-weight: em;
	  margin-bottom: 1.5em;
	  text-align: center;
	  }
  h5 {
	  font-size: medium;
	  font-weight: em;
	  margin-bottom: 1.5em;
	  text-align: left;
	  }
  h6 {
	  font-size: small;
	  font-weight: em;
	  text-align: left;
          margin-left: 1em
	  }