body  {font-family:sansserif, arial; 
    font-size:0.9em; }
p { font-family:sans-serif, arial; 
  font-size:1.0em; }                       /* p size is relative to body size */
h1 {font-size:1.1em; color:red;}
h2 {font-size:1.0em; color:red; } /* 1.0 em = 16 pixels */
a { color:red; }