lbry-desktop/ui/scss/component/_comments.scss

.comments {
  @extend .ul--no-style;
}

.comment {
  display: flex;
  flex-direction: column;
  font-size: var(--font-multiplier-small);
  padding: var(--spacing-small) 0 var(--spacing-small);

  &:first-of-type {
    padding-top: 0;
  }

  &:not(:last-of-type) {
    border-bottom: 1px solid var(--lbry-gray-1);

    [data-mode='dark'] & {
      border-color: rgba($lbry-gray-5, 0.2);
    }
  }
}

.comment__meta {
  text-overflow: ellipsis;
  display: flex;
  justify-content: space-between;
  margin-bottom: var(--spacing-small);

  time {
    opacity: 0.3;
  }
}

.comment__message {
  white-space: pre-line;
}

.comment__author {
  text-overflow: ellipsis; // This is where the magic happens
  flex-basis: 400px;
  flex-shrink: 1;
  font-weight: var(--font-weight-bold);
}

.comment__time {
  flex-basis: 200px;
  text-align: right;
}

.comment__char-count {
  align-self: flex-end;
  font-size: var(--font-label);
}