* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  background-color: #000;
}

html,
body {
  width: 100%;
  height: 100%;
}

main {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

#cursor {
  height: 20px;
  width: 20px;
  border-radius: 50%;
  background-color: #fff;
  position: absolute;
  transition: all linear 0.2s;
  mix-blend-mode: difference;
}

h1 {
  color: #fff;
  font-size: 10vw;
  font-weight: 900;
}