body, html {
  height: 100%;
  display: grid;
  background-color: #f2f2f2;
}

h1 {
  font-size: 1.2rem;
}

.center {
  margin: auto;
}

.card {
  background-color: #fff;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  max-width: 300px;
  text-align: center;
}

.title {
  color: #666;
  font-size: 18px;
}

a {
  text-decoration: none;
  font-size: 22px;
  color: black;
}

p.contact {
  margin-bottom: 0;
}
p.contact a {
  display: block;
  padding: 8px 0;
  border-radius: 0 0 5px 5px;
  color: white;
  background-color: #000;
  text-align: center;
  cursor: pointer;
  width: 100%;
  font-size: 18px;
}

a:hover {
  opacity: 0.7;
}