html {
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  padding: 1em;
  background-color: #ffffff;
  font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
  color: rgb(10, 15, 55);
}

article {
  position: absolute;
  left: 50%;
  width: calc(100% - 5em);
  max-width: 360px;
  transform: translate(-50%, 0);
  margin: 0;
  padding: 0;
  text-align: center;
}

header {
  margin: 1em;
}

header img {
  width: 60%;
  margin: 2em;
}

main p {
  display: block;
  margin: 0 0 0.5em 0;
  padding: 0;
}

main a {
  display: inline;
  margin: 0;
  padding: 0;
  color: #f28328;
  text-decoration: none;
}

main img {
  margin: 0;
  width: 90%;
}

.hidden {
  display: none;
}