#bg_image {
  background: url('/background.jpg');
  background-repeat: no-repeat;
  background-size: 100% 100%;
  background-origin: content-box;
  width: 100%;
  height: 100%;
  z-index: -100;
  position: fixed;
  left: 0;
  top: 0;
}

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

.container {
  background-color: rgba(255, 255, 255, 0.75);
  padding: 20px;
}

.image-avatar {

}