yaak-mountain-loop/src-web/components/core/Editor/DiffViewer.css

.cm-wrapper.cm-multiline .cm-mergeView {
  @apply h-full w-full overflow-auto pr-0.5;

  .cm-mergeViewEditors {
    @apply w-full min-h-full;
  }

  .cm-mergeViewEditor {
    @apply w-full min-h-full relative;

    .cm-collapsedLines {
      @apply bg-none bg-surface border border-border py-1 mx-0.5 text-text opacity-80 hover:opacity-100 rounded cursor-default;
    }
  }

  .cm-line {
    @apply pl-1.5;
  }
  .cm-changedLine {
    /* Round top corners only if previous line is not a changed line */
    &:not(.cm-changedLine + &) {
      @apply rounded-t;
    }
    /* Round bottom corners only if next line is not a changed line */
    &:not(:has(+ .cm-changedLine)) {
      @apply rounded-b;
    }
  }

  /* Let content grow and disable individual scrolling for sync */
  .cm-editor {
    @apply h-auto relative !important;
    position: relative !important;
  }

  .cm-scroller {
    @apply overflow-visible !important;
  }
}