html,
body {
  padding: 0;
  margin: 0;
  height: 100vh;
  overflow-x: hidden;
  font-family: Roboto, Helvetica, Arial, sans-serif;
  box-sizing: border-box;
  scroll-behavior: smooth;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

h1 {
  padding: 0;
  margin: 0;
  font-size: 3rem;
}

h3 {
  padding: 0;
  margin: 0;
  margin-bottom: 20px;
  font-size: 1.5rem;
}

#main-canvas {
  background-image: url("Assets/bg.jpg");
  border: 15px solid green;
}