#particles-js{
  background:#3333a3;
  height:800px;
}

#login{
  background:#fff;
  opacity:0.9;
  padding:2em;
  border:#ccc 2px solid;
  position:absolute;
  top:100px;
  left:50px;
}

#login input[type="text"], #login input[type="password"]{
  padding:7px;
  margin-bottom:10px;
  border:1px #ccc solid;
}