/* body */  
body 
     {
      background-color: #dddddd;
      color:            black;
     }
/* headings */
h1,
h2
    {
     text-align:     center;
     font-weight:    bold;
     color:          blue;
    }
h3
    {
     font-weight:    bold;
     color:          blue;
    }