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

body {
  font-family: sans-serif;
  line-height: 1.5;
}

ul, ol {
  list-style: none;
}

a {
  text-decoration: none;
  color: inherit;
}

iframe {
  border: none;
  box-shadow: none;
}