@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300&display=swap');

		.center {
			margin-top: 5%;
			margin-left: auto;
	  		margin-right: auto;
			width: 60%;
			border: 2px solid #afafaf;
			padding: 20px;
		}

		h1 { 
			display: block;
			font-size: 2em;
			margin-top: 0.17em;
			margin-bottom: 0.67em;
			margin-left: auto;
			margin-right: auto;
			font-family: 'Roboto', sans-serif;
			font-weight: bold;
		}
		div{
			font-family: 'Roboto', sans-serif;
		}

		.tooltip {
  position: relative;
  display: inline-block;
}

.tooltip .tooltiptext {
  visibility: hidden;
  width: 200px;
  background-color: #555;
  color: #fff;
  text-align: center;
  border-radius: 6px;
  padding: 5px;
  position: absolute;
  z-index: 1;
  bottom: 150%;
  left: 50%;
  margin-left: -75px;
  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}
.button {
  background-color: #afafaf; /* Green */
  border: none;
  color: white;
  padding: 3px 3px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
}