* {
  font-family: sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
section {
  position: relative;
  width: 100%;
  height: 100vh;
}
.bg{
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

#particles-js{
  position: relative;
  height: 100vh;
  background: #fff;
  mix-blend-mode: screen;
}