HTML 5 features:
CSS_FONT_FACE
CSS_BACKGROUND_SIZE
CSS_BORDER_IMAGE
CSS_BORDER_RADIUS
CSS_BOX_SHADOW
CSS_FLEX_BOX
CSS_HSLA
CSS_MULTIPLE_BGS
CSS_OPACITY
CSS_RGBA
CSS_TEXT_SHADOW
CSS_ANIMATIONS
CSS_COLUMNS
CSS_GENERATED_CONTENT
CSS_GRADIENTS
CSS_REFLECTIONS
CSS_TRANSFORMS
CSS_TRANSFORMS3D
CSS_TRANSITIONS
APPLICATION_CACHE
CANVAS
CANVAS_TEXT
DRAG_AND_DROP
HASH_CHANGE
HISTORY
AUDIO
VIDEO
INDEXED_DB
INPUT_ATTR_AUTOCOMPLETE
INPUT_ATTR_AUTOFOCUS
INPUT_ATTR_LIST
INPUT_ATTR_PLACEHOLDER
INPUT_ATTR_MAX
INPUT_ATTR_MIN
INPUT_ATTR_MULTIPLE
INPUT_ATTR_PATTERN
INPUT_ATTR_REQUIRED
INPUT_ATTR_STEP
INPUT_TYPE_SEARCH
INPUT_TYPE_TEL
INPUT_TYPE_URL
INPUT_TYPE_EMAIL
INPUT_TYPE_DATETIME
INPUT_TYPE_DATE
INPUT_TYPE_MONTH
INPUT_TYPE_WEEK
INPUT_TYPE_TIME
INPUT_TYPE_DATETIME_LOCAL
INPUT_TYPE_NUMBER
INPUT_TYPE_RANGE
INPUT_TYPE_COLOR
LOCAL_STORAGE
POST_MESSAGE
SESSION_STORAGE
WEB_SOCKETS
WEB_SQL_DATABASE
WEB_WORKERS
GEO_LOCATION
INLINE_SVG
SMIL
SVG_HREF
SVG_CLIP_PATHS
TOUCH
WEBGL
SVG_FILTERS
SVG_FE_IMAGE