style.css

* {
  box-sizing: border-box;
  font-family: sans-serif;
}

html,
body {
  margin: 0;
  padding: 0;
}

.visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.background {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
}

.background img {
  width: 300%;
  transform: translate(-2%, -50%);
}

.foreground {
  position: relative;
  display: flex;
}

.foreground nav {
  width: 80%;
}

.foreground .character-wrapper {
  flex: 1;
  padding-top: 10%;
}
.foreground .character-wrapper img {
  width: 130%;
}

.main-navigation {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 64px 0;
}

.main-navigation li {
  width: 50%;
  padding: 32px;
}

.main-navigation a {
  display: block;
}

.main-navigation li img {
  display: block;
  width: 100%;
}

@media (min-width: 600px) {
  .main-navigation li {
    width: 33.3%;
  }
  .main-navigation li:nth-of-type(2) {
    transform: translateY(25%);
  }
}