h1 {
	color: #ffffff;
	margin: auto;
	text-align: center;
	padding: 30px;
}

body {
	background-image: url("ghw_bg.png");
}

span {
  background-color: #4CAF50;
}

.button {
	background-color: #4CAF50; 
  border: none;
  color: white;
  padding: 12px 28px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 20px;
  transition-duration: 0.4s;
  cursor: pointer;
}

.button1 {
  background-color: white; 
  color: black; 
  border: 2px solid #4CAF50;
}

.button1:hover {
  background-color: #4CAF50;
  color: white;
}