html,body {
    height: 100%;
    background-color: #31383E;
    width:100%;
}

.bg-img {
  /* The image used */
  background-image: url("../../images/loginpage.png");
  height: 100%;
  /* Center and scale the image nicely */
  background-position: center;
  background-repeat: no-repeat;
  background-size: auto;
  position: relative;
}

.spacer{
    height: 75%;
}