.invalid-feedback{
  color: red;
  font-style: italic;
}

.card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-width: 0;
    word-wrap: break-word;
    background-color: #fff;
    background-clip: border-box;
    border: 1px solid rgba(0, 0, 0, 0.125);
    border-radius: 0.25rem;
  }
  .card > hr {
    margin-right: 0;
    margin-left: 0;
  }
  .card > .list-group {
    border-top: inherit;
    border-bottom: inherit;
  }
  .card > .list-group:first-child {
    border-top-width: 0;
    border-top-left-radius: calc(0.25rem - 1px);
    border-top-right-radius: calc(0.25rem - 1px);
  }
  .card > .list-group:last-child {
    border-bottom-width: 0;
    border-bottom-right-radius: calc(0.25rem - 1px);
    border-bottom-left-radius: calc(0.25rem - 1px);
  }
  .card > .card-header + .list-group,
  .card > .list-group + .card-footer {
    border-top: 0;
  }
  
  .card-body {
    flex: 1 1 auto;
    padding: 1rem 1rem;
  }
  
  .card-title {
    margin-bottom: 0.5rem;
  }
  
  .card-subtitle {
    margin-top: -0.25rem;
    margin-bottom: 0;
  }
  
  .card-text:last-child {
    margin-bottom: 0;
  }
  
  .card-link:hover {
    text-decoration: none;
  }
  .card-link + .card-link {
    margin-left: 1rem;
  }
  
  .card-header {
    font-size: 18px;
    font-weight: bold;
    padding: 0.7rem 2rem;
    margin-bottom: 0;
    /* background-color: rgba(0, 0, 0, 0.03); */
    border-bottom: 1px solid rgba(0, 0, 0, 0.125);
  }
  .card-header:first-child {
    border-radius: calc(0.25rem - 1px) calc(0.25rem - 1px) 0 0;
  }
  
  .card-footer {
    padding: 0.5rem 1rem;
    background-color: rgba(0, 0, 0, 0.03);
    border-top: 1px solid rgba(0, 0, 0, 0.125);
  }
  .card-footer:last-child {
    border-radius: 0 0 calc(0.25rem - 1px) calc(0.25rem - 1px);
  }
  
  .card-header-tabs {
    margin-right: -0.5rem;
    margin-bottom: -0.5rem;
    margin-left: -0.5rem;
    border-bottom: 0;
  }
  
  .card-header-pills {
    margin-right: -0.5rem;
    margin-left: -0.5rem;
  }
  
  .card-img-overlay {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 1rem;
    border-radius: calc(0.25rem - 1px);
  }
  
  .card-img,
  .card-img-top,
  .card-img-bottom {
    width: 100%;
  }
  
  .card-img,
  .card-img-top {
    border-top-left-radius: calc(0.25rem - 1px);
    border-top-right-radius: calc(0.25rem - 1px);
  }
  
  .card-img,
  .card-img-bottom {
    border-bottom-right-radius: calc(0.25rem - 1px);
    border-bottom-left-radius: calc(0.25rem - 1px);
  }
  
  .card-group > .card {
    margin-bottom: 0.75rem;
  }
  @media (min-width: 576px) {
    .card-group {
      display: flex;
      flex-flow: row wrap;
    }
    .card-group > .card {
      flex: 1 0 0%;
      margin-bottom: 0;
    }
    .card-group > .card + .card {
      margin-left: 0;
      border-left: 0;
    }
    .card-group > .card:not(:last-child) {
      border-top-right-radius: 0;
      border-bottom-right-radius: 0;
    }
    .card-group > .card:not(:last-child) .card-img-top,
  .card-group > .card:not(:last-child) .card-header {
      border-top-right-radius: 0;
    }
    .card-group > .card:not(:last-child) .card-img-bottom,
  .card-group > .card:not(:last-child) .card-footer {
      border-bottom-right-radius: 0;
    }
    .card-group > .card:not(:first-child) {
      border-top-left-radius: 0;
      border-bottom-left-radius: 0;
    }
    .card-group > .card:not(:first-child) .card-img-top,
  .card-group > .card:not(:first-child) .card-header {
      border-top-left-radius: 0;
    }
    .card-group > .card:not(:first-child) .card-img-bottom,
  .card-group > .card:not(:first-child) .card-footer {
      border-bottom-left-radius: 0;
    }
  }