* { 
	margin: 0;
	padding: 0;
	box-sizing: border-box;
	font-family: "Open Sans", sans-serif;
}
body {
	width: 100%;
	min-height: 100vh;
	background-image:url("../img/artificial-intelligence2.jpg") ;
	background-repeat: no-repeat;
	background-size: cover;
}

ul {
	font-size: 150%;
}
#myBtn {
  position: fixed;
  bottom: 35px;
  right: 20px;
  z-index: 99;
  font-size: 18px;
  border: none;
  background-color: rgb(39, 38, 38);
  color: white;
  cursor: pointer;
  padding: 10px;
  border-radius: 10px;
}

#myBtn:hover {
  background-color: #555;
}