body {
  background-image: url(https://i.pinimg.com/1200x/6b/8a/15/6b8a15fce3a77c6a6b9293709ca48490.jpg);
  font-family: sans-serif;
  text-align: center;
}

* {
  padding: 0.1em;
}
.box {
  border-top-width: 5px;
  border-top-color: yellow;
  border-top-style: solid;
}

h1 {
  color: yellow;
}

h2 {
  text-align: center;
}