* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  background: #000;
  color: #fff;
  font-family: Arial, Helvetica, sans-serif;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.dusty-page {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
  overflow: hidden;
}

.dusty-mark {
  height: calc(100vh - 2rem);
  max-width: 100%;
  display: grid;
  place-items: center;
}

.dusty-mark img {
  width: auto;
  height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.dusty-social {
  position: absolute;
  bottom: 8%;
  left: 50%;
  display: grid;
  justify-items: center;
  transform: translateX(-50%);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.dusty-social-links {
  display: flex;
}

.dusty-social-links a {
  width: 32px;
  height: 32px;
  margin: 0.55rem;
  background-image: url("/social_sprite.png");
  background-size: auto 64px;
}

.dusty-social-links a:hover,
.dusty-social-links a:focus-visible {
  background-position-y: 100%;
  outline: 1px solid #fff;
  outline-offset: 4px;
}

.dusty-facebook {
  background-position-x: 0;
}

.dusty-twitter {
  background-position-x: 100%;
}

.dusty-instagram {
  background-position-x: 200%;
}

@media (max-width: 720px) {
  .dusty-mark {
    height: auto;
    width: 100%;
  }

  .dusty-mark img {
    width: 100%;
    height: auto;
  }
}