* {
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
}

ul,
li {
  list-style: none;
}

ul {
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

a {
  text-decoration: none;
  color: #303133;
  font-weight: 500;
}