html, body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
}

h1{
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
}
.btn a{
  text-decoration: none;
  color: white;
}

.btn{
  background-color: blue;
  border: 2px solid black;
  border-radius: 3px;
  cursor: pointer;
  font-size: larger;
  margin: 10px 5px;
  padding: 5px 5px;
  
}

.btn:hover{
  background-color: rgb(78, 206, 211);
  color: rgb(255, 255, 255);
}