<commit_before>&-exercise {
  @include exercise-typography();

  #{$placeholder-selector} {
    font-style: italic;
  }

  .exercise-stimulus {
    margin-bottom: 20px;
  }

  textarea {
    width: 100%;
    min-height: 8em;
    line-height: 1.5em;
    margin: 1em 0 0 0;
    padding: 0.75em;

    &[disabled] {
      border: none;
    }
  }

}

&-exercise-card, &-multipart-exercise-card {
  position: relative;
  .exercise-identifier-link {
    position: absolute;
    right: $openstax-answer-horizontal-spacing;
    bottom: $openstax-answer-vertical-spacing;
    color: $openstax-answer-label-color;
    font-size: 1.2rem;
    line-height: 1.2rem;
    max-width: $openstax-exercise-identifier-link-max-width;
  }

  &.deleted-reading,
  &.deleted-homework {
    .btn {
      display: none;
    }
  }
  &.deleted-homework {
    .openstax-question:not(.openstax-question-preview) {
      .question-feedback {
        display: none;
      }
    }
  }
}

&-multipart-exercise-card {
  .card-body {
    margin-bottom: 4rem;
  }
}
<commit_msg>add some margin between multiple multi-part cards<commit_after>&-exercise {
  @include exercise-typography();

  #{$placeholder-selector} {
    font-style: italic;
  }

  .exercise-stimulus {
    margin-bottom: 20px;
  }

  textarea {
    width: 100%;
    min-height: 8em;
    line-height: 1.5em;
    margin: 1em 0 0 0;
    padding: 0.75em;

    &[disabled] {
      border: none;
    }
  }

}

&-exercise-card, &-multipart-exercise-card {
  position: relative;
  .exercise-identifier-link {
    position: absolute;
    right: 3rem;
    bottom: 3rem;
    color: $openstax-answer-label-color;
    font-size: 1.2rem;
  }

  &.deleted-reading,
  &.deleted-homework {
    .btn {
      display: none;
    }
  }
  &.deleted-homework {
    .openstax-question:not(.openstax-question-preview) {
      .question-feedback {
        display: none;
      }
    }
  }
}

&-multipart-exercise-card {
  .card-body {
    margin-bottom: 4rem;
  }
}

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