body {
  margin-left: 4%; margin-right: 4%;
  color: black; background: white;
  text-align: left;
}

  H1 { 
 text-align: center;
 color: black;
 font:  200% sans-serif;
}

H2 { 
 text-align: center;
 color: black;
 font:  175% sans-serif;
}

H3 { 
 text-align: center;
 color: black;
 font:  150% sans-serif;
}

H4 { 
 text-align: center;
 color: black;
 font:  125% sans-serif;
}


H5 { 
 text-align: center;
 color: black;
 font:  100% sans-serif;
}

P {
 text-align: justify;
 color: black;

}