* {
  box-sizing: border-box;
}

ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

img {
  display: block;
}

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
}

:root {
	--white: #ffffff;
}