Add transforms for CSS sub-properties

[eduardoboucas]

This is a list of property sub-features that must be captured as transforms.

• animation-direction
  • reverse
  • alternate-reverse
• background-attachment
  • multiple_backgrounds
  • local
• background-clip
  • content-box
  • text
• background-color
  • alpha_ch_for_hex
• background-image
  • multiple_backgrounds
  • gradients
  • svg_images
  • element
  • image-rect
  • any_image
• background-origin
  • content-box
• background-position-x
  • two_value_syntax
• background-position-y
  • 2_value_syntax
• background-position
  • multiple_backgrounds
  • 4_value_syntax
• background-repeat
  • multiple_backgrounds
  • 2-value
  • round_space
• background-size
  • contain_and_cover
  • SVG_image_as_background
• background
  • multiple_backgrounds
  • SVG_image_as_background
  • background-size
  • background-origin
  • background-clip
• border-bottom-left-radius
  • percentages
  • ellipitcal_corners
• border-bottom-right-radius
  • percentages
  • ellipitcal_corners
• border-image-repeat
  • round
  • space
• border-image
  • optional_border_image_slice
  • fill_keyword
  • gradient
• border-radius
  • elliptical_borders
  • 4_values_for_4_corners
  • percentages
• border-top-left-radius
  • percentages
  • ellipitcal_corners
• border-top-right-radius
  • percentages
  • ellipitcal_corners
• clear
  • flow_relative_values
• column-count
  • on_display_table_caption
• column-width
  • intrinsic_sizes
  • on_display_table_caption
• columns
  • on_display_table_caption
• flex-basis
  • auto
  • content
• flex-grow
  • less_than_zero_animate
• float
  • flow_relative_values
• font-family
  • system_ui
• font-size
  • rem_values
• font-variant-alternates
  • annotation
  • character_variant
  • ornaments
  • styleset
  • stylistic
  • swash
• font-variant
  • uppercase_eszett
  • turkic_is
  • greek_accented_characters
  • css_fonts_shorthand
• font
  • system_fonts
  • font_stretch_support
• grid-gap
  • percentage_values
• grid-template-columns
  • minmax
  • repeat
• grid-template-rows
  • minmax
  • repeat
• list-style-type
  • arabic-indic
  • armenian
  • bengali
  • cjk-decimal
  • cjk-earthly-branch
  • cjk-heavenly-stem
  • cjk-ideographic
  • decimal-leading-zero
  • devanagari
  • disclosure-closed
  • disclosure-open
  • ethiopic-numeric
  • georgian
  • gujarati
  • gurmukhi
  • hebrew
  • hiragana
  • hiragana-iroha
  • japanese-formal
  • japanese-informal
  • kannada
  • katakana
  • katakana-iroha
  • khmer
  • korean-hangul-formal
  • korean-hanja-formal
  • korean-hanja-informal
  • lao
  • lower-greek
  • lower-latin
  • malayalam
  • mongolian
  • myanmar
  • oriya
  • persian
  • simp-chinese-formal
  • simp-chinese-informal
  • tamil
  • telugu
  • thai
  • trad-chinese-formal
  • trad-chinese-informal
  • upper-latin
  • string
  • symbols
• list-style
  • symbols
• margin-bottom
  • auto
• margin-left
  • auto
• margin-right
  • auto
• margin-top
  • auto
• margin
  • auto
• mask-clip
  • border
  • content
  • padding
  • text
• mask-image
  • multiple_mask_images
  • svg_masks
• mask-origin
  • fill-box
  • stroke-box
  • view-box
  • non_standard_values
• mask-type
  • applies_to_html
• mask
  • applies_to_html_elements
  • shorthand_for_mask_properties
• order
  • absolutely_positioned_flex_children
• position
  • fixed
  • sticky
  • position_relative_table_elements
• text-align
  • block_alignment_values
  • flow_relative_values_start_and_end
  • match-parent
  • justify-all
• text-combine-upright
  • digits
• text-decoration-line
  • blink
• text-decoration-style
  • wavy
• text-decoration
  • blink
  • shorthand
• text-emphasis-position
  • left_and_right
• text-indent
  • each-line
  • hanging
• text-orientation
  • sideways
• text-overflow
  • two_value_syntax
  • string
  • fade_value
  • fade_function
• touch-action
  • manipulation
  • double-tap-zoom
  • pinch-zoom
  • unidirectional-pan
• transform-origin
  • three_value_syntax
  • support_in_svg
• transform
  • 3d
• transition-property
  • IDENT_value
• transition
  • gradients
• z-index
  • negative_values