*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body, html {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: var(--color-darkness);
}

button {
  background: none;
  border: none;
  font: inherit;
  cursor: pointer;
  outline: none;
}

img {
  max-width: 100%;
  display: block;
}