html,
body {
  background-color: #fff;
  background-size: cover;
  width: 100%;
  height: 100vh;
  align-items: center;
  display: flex;
  justify-content: center;
  position: relative;
  color: #000;
  vertical-align: middle;
  text-align: center;
  padding: auto;
}

img {
  max-width: 80%;
  position: relative;
}

.adjust-top {
  margin-top: -39px;
}

h1 {
  margin-top: 25px;
  padding: 20px;
  color: white;
  font-size: 4em;
  text-shadow: 1px 1px 12px #000, 1px 1px 20px #000;
}

h3 {
  color: #dd3;
  font-size: 2.5em;
}