body {
  font-family: arial, sans-serif;
}
a {
	text-decoration: none;
	color: black;
}
.header {
  padding: 10px;
  text-align: center;
  background: #1abc9c;
  color: white;
  font-size: 30px;
}
.center {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 1%;
  flex-direction: column;
}
.box {
	border-radius: 20px;
	background-color: #1abc9c;
	border: 1px solid #111111;
	padding: 5px;
}
.subButton {
        border-radius: 20px;
        background: #1abc9c;
        border: 1px solid #111111;
        padding: 10px;
}