/* styles applied to all views */
* {
  font-size: 1em;
  font-family: verdana, sans-serif;
}

/* styles applied to viewports
   with a width between 900px and 1200px */
@media (min-width: 900px) and (max-width: 1200px) {
* {
    font-size: 1.5em;
  }

}

h1 {
  display: block;
  font-size: 1.5em;
  margin-top: 2em;
  margin-bottom: 0.67em;
  margin-left: 2em;
  margin-right: 0;
  font-weight: bold;
  text-decoration : underline;
}

h2 {
  display: block;
  font-size: 1em;
  margin-top: 4em;
  margin-bottom: 0.83em;
  margin-left: 3em;
  margin-right: 0;
  font-weight: bold;
}

h3 {
  display: block;
  font-size: 0.5em;
  margin-top: 4em;
  margin-bottom: 0.83em;
  margin-left: 3em;
  margin-right: 0;
  font-weight: bold;
}

.w3-container {
  margin-left: 5em;
}

.w3-button {
  background-color: #555555;
  border: none;
  border-radius: 4px;
  color: white;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 20px 2px;
  cursor: pointer;
}

.w3-button:hover {
  box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}

.result {
  margin-left: 5em;
  font-size: 1em;
}