span {
  color: var(--heading-text-color);
}

nav {
  font-size: 20px;
}
nav img:hover {
  cursor: pointer;
}

main {
  width: 100%;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
main span {
  font-size: 25px;
  font-weight: 700;
}