body{
overflow:auto;
margin:15px;
}
h1{
font: bold 18px arial,helvetica,tahoma,verdana;
}
h2{
font: bold 16px arial,helvetica,tahoma,verdana;
}
h3{
font: bold 14px arial,helvetica,tahoma,verdana;
}

*{
font-size: 12px;
line-height:1.5;
}