_table.scss

$text_alignment_types: (C center) (L left) (R right);
$vertical_alignment_types: (T top) (M middle) (B bottom);

@each $text_alignment_type in $text_alignment_types {
  .txt#{nth($text_alignment_type, 1)},
  table .txt#{nth($text_alignment_type, 1)},
  table tr .txt#{nth($text_alignment_type, 1)} {
    text-align: #{nth($text_alignment_type, 2)};
  }
}

@each $vertical_alignment_type in $vertical_alignment_types {
  .txt#{nth($vertical_alignment_type, 1)},
  table .txt#{nth($vertical_alignment_type, 1)},
  table tr .txt#{nth($vertical_alignment_type, 1)} {
    vertical-align: #{nth($vertical_alignment_type, 2)};
  }
}