body {
     max-width: 800px;
     margin: 0 auto;
 }

 .sender {
     text-align: right;
 }

 h1 {
     font-size: 1.5em;
 }

 h2 {
     font-size: 1.3em;
 }

 p,ul,ol,dl,address {
     font-size: 1.1em;
 }

 p,li,dd,dt,address {
     line-height: 1.5;
 }