html,
body {
  height: 100%;
}

.hero {
  font-weight: bolder;
}

body {
  background-color: #fff;
  color: #000;
  font-family: monospace;
  font-size: 16px;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: center;
}

main {
  padding: 0 15%;
  flex: 1 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

main img {
  max-width: 100%;
  height: auto;
}

h1 {
  font-size: 36px;
  line-height: 1.2;
  margin-bottom: 10px;
}

h2 {
  font-size: 30px;
  line-height: 1.2;
  margin-bottom: 30px;
}

p {
  font-size: 18px;
  margin-bottom: 20px;
}

button {
  border-radius: 10px;
  font-family: monospace;
  border: 3px solid #000;
  background-color: #fff;
  font-weight: bolder;
  padding: 14px 28px;
  font-size: 16px;
  cursor: pointer;
  border-color: #000;
  text-transform: uppercase;
  color: #000;
}

button:hover {
  background-color: #000;
  color: #fff;
}

footer {
  margin-top: 50px;
  border-top: 1px solid #000;
  padding: 15px 0;
  text-align: center;
  width: 100%;
  flex-shrink: 0;
}