silverbullet/packages/web/styles/editor.scss

.cm-editor {
  font-size: 18px;
  padding: 0 20px;

  .cm-content {
    margin: auto;
    max-width: 800px;
  }

  &.cm-focused {
    outline: none !important;
  }

  // Indentation of follow-up lines
  @mixin lineOverflow($baseIndent) {
    text-indent: -1 * ($baseIndent + 2ch);
    padding-left: $baseIndent + 2ch;

    &.sb-line-task {
      text-indent: -1 * ($baseIndent + 6ch);
      padding-left: $baseIndent + 6ch;
    }

    &.sb-line-blockquote {
      text-indent: -1 * ($baseIndent + 4ch);
      padding-left: $baseIndent + 4ch;
    }
  }

  .sb-line-ul {
    &.sb-line-li-1 {
      @include lineOverflow(0);
    }

    &.sb-line-li-1.sb-line-li-2 {
      @include lineOverflow(2);
    }

    &.sb-line-li-1.sb-line-li-2.sb-line-li-3 {
      @include lineOverflow(4);
    }

    &.sb-line-li-1.sb-line-li-2.sb-line-li-3.sb-line-li-4 {
      @include lineOverflow(6);
    }

    &.sb-line-li-1.sb-line-li-2.sb-line-li-3.sb-line-li-4.sb-line-li-5 {
      @include lineOverflow(8);
    }
  }

  .sb-line-ol {
    &.sb-line-li-1 {
      @include lineOverflow(1);
    }

    &.sb-line-li-1.sb-line-li-2 {
      @include lineOverflow(2);
    }

    &.sb-line-li-1.sb-line-li-2.sb-line-li-3 {
      @include lineOverflow(4);
    }

    &.sb-line-li-1.sb-line-li-2.sb-line-li-3.sb-line-li-4 {
      @include lineOverflow(6);
    }

    &.sb-line-li-1.sb-line-li-2.sb-line-li-3.sb-line-li-4.sb-line-li-5 {
      @include lineOverflow(8);
    }
  }

  .sb-line-comment {
    text-indent: -1 * 3ch;
    padding-left: 3ch;
  }
}