body { background: lightyellow; color:black; margin-left:8em; margin-right:8em;}
h1{ background-color: #FF9900; color:black;
  font-size: 1.5em; } { background:#FF9900; color:black; font-size:1.5em;}
h2 { font-size:0.8em;}
h3 { font-size:0.8em;}
p  { line-height:1.3em;}