html {font-size: 125%}
body {background-color: #F5F5F5; font-size:50%; font-family:"Times New Roman", Times, serif;} 

h1 {
 font-size: 2.2em;
 color: #228B22;
}

h2 {
 font-size: 1.8em;
 color: #228B22;
}

h3 {
 font-size: 1.6em;
 color: #228B22;
}

p, ul {
 font-size: 1.4em;
 color: #191970;
}