body, input, textarea, select, button {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 15px;
}
h1 {
  font-size: 30px;
  font-weight: 300;
}
h2 {
  font-size: 22px;
  font-weight: 300;
}
h3 {
  font-size: 15px;
  font-weight: normal;
  text-transform: uppercase;
}