p, h2 {
  font-family: "Tahoma", serif;
  background-color: grey;
}
.note {
  color: blue;
  border: 1px solid black;
  background-color: yellow;
  font-weight: bold;
}
p.warning {
  color: red;
}
#paragraph1 {
  margin: 0;
}
h2 p {
  color: green;
}