body {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

body.dark-mode {
  background: #222;
  color: #fff;
}

body.light-mode {
  background: #fff;
  color: #222;
}

.Button {
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgb(218, 255, 125);
  height: 100px;
  width: 200px;
  border: 1px solid black;
  border-radius: 15px;
  font-family: Arial, sans-serif;
  font-size: 20px;
  text-decoration: none;
  color: black;
}

.Button:hover {
  background-color: rgb(178, 239, 155);
}