body {
  background: #9CECFB;
  /* fallback for old browsers */
  background: -webkit-linear-gradient(to right, #0052D4, #65C7F7, #9CECFB);
  /* Chrome 10-25, Safari 5.1-6 */
  background: linear-gradient(to right, #0052D4, #65C7F7, #9CECFB);
  /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
}

.card-signin .card-img-left {
  width: 45%;
  background: scroll center url('../img/register_background.jpg');
  background-size: cover;
  border-radius: 1rem 0 0 1rem;
}