body  {margin:0;}
.title{font:2em tahoma; color:#fff; text-align:left; 
       margin:1em auto .3em 1em;}
.main {background:#fff; margin:1em 10% 2em 10%; padding:0; border:.5em #eee ridge;}
.a1, .a2{padding:.5em; font:1em arial; color:#222;}
.a1   {background:#fff;}
.a2   {background:#cccccf;}