body { 
  font: 62.5% Arial, Verdana, sans-serif; 
} 

ul {
  margin: 1em 0;
  padding: 0;
}
li {
  font-size: 1.1em;
  margin: 0.2em 1em;
  padding: 0;
}
.this {
  font-weight: bold;
}
.that {
  font-style: italic;
}