.card-signin {
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 0.5rem 1rem 0 rgba(0, 0, 0, 0.1);
    overflow: hidden;
  }
  
  .card-signin .card-title {
    margin-bottom: 2rem;
    font-weight: 300;
    font-size: 1.5rem;
  }
  
  .card-signin .card-img-left {
    width: 45%;
    /* Link to your background image using in the property below! */
    background: scroll center url('https://source.unsplash.com/WEQbe2jBg40/414x512');
    background-size: cover;
  }