front__coursera-responsive-design/assignment.scss

#home-carousel {
  .item img {
    height: 600px;
    width: 100%;
    object-fit: cover;
    margin-left: auto;
    margin-right: auto;
  }

  h2 {
    font-size: 400%;
    text-shadow: 2px 2px 5px #000;
  }
}

#class-row {
  h2 {
    text-align: center;
    font-size: 150%;
  }

  .col-md-3,
  .col-xs-6,
  .col-sm-4,
  .col-md-3 {
    padding: 5px;
  }

  .panel {
    -webkit-box-shadow: 2px 2px 5px #0F0F0F;
    -moz-box-shadow: 2px 2px 5px #0F0F0F;
    box-shadow: 2px 2px 5px #0F0F0F;
  }
  
  img {
    height: 200px;
    width: 100%;
    object-fit: cover;
    margin-left: auto;
    margin-right: auto;
  }

  .panel-body,
  a.thumbnail {
    border: none;
  }
}

#species-row {
  img {
    height: 400px;
    width: 100%;
    object-fit: cover;
    margin-left: auto;
    margin-right: auto;
  }
}