/* main.css */
body,
html {
  margin: 0;
  padding: 0;
  overscroll-behavior: none;
  overflow: hidden;
  width: 100%;
  height: 100%;
}

#app,
div.three-container {
  width: 100vw;
  height: 100vh;
  position: fixed; /* ensure it sits underneath any UI */
  top: 0;
  left: 0;
}