*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  list-style: none;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background-color: #fff;
}