body {
  background-color: #DFDFDF;
}


.back {
  background-color: #4CAF50;
  color: #ffffff;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  border-radius: 30px;
}


.back:hover {
  color: #4CAF50;
  background-color: #ffffff;
  cursor: pointer;
  border-radius: 5px;
  outline-color: #000000;
}


.signup {
  background-color: #4CAF50;
  color: #ffffff;
  padding: 15px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  border-radius: 30px;
}


.signup:hover {
  color: #4CAF50;
  background-color: #ffffff;
  cursor: pointer;
  border-radius: 5px;
  outline-color: #000000;
}


.login {
  text-align: center;
}