body {font: 80% Arial, Helvetica; background-color: #fff; color: #000; padding: 20; margin: 0;}
h1, h2, h3 {text-align: center;}
h2 {color: red;}
.num {width: 30px; height: 35px; color: #000; text-align: right;}
.tn {width: 50px; height: 50px; background-color: #000; text-align: center;}
#sis {width: 150px; height: 150px; background-color: #000; text-align: center;}
#sym {font-size: 80%;}