```html

CSS3 box-pack Property

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CSS Reference Manual

CSS Reference Manual
CSS Selectors
CSS Aural Reference Manual
CSS Web Safe Fonts
CSS Animations
CSS Functions
CSS Units
CSS Colors
CSS Legal Color Values
CSS Color Names
CSS Hexadecimal Colors
CSS Browser Support
Sass Tutorial

CSS Properties

align-content
align-items
align-self
all
animation
animation-delay
animation-direction
animation-duration
animation-fill-mode
animation-iteration-count
animation-name
animation-play-state
animation-timing-function
appearance
backface-visibility
background
background-attachment
background-blend-mode
background-clip
background-color
background-image
background-origin
background-position
background-repeat
background-size
border
border-bottom
border-bottom-color
border-bottom-left-radius
border-bottom-right-radius
border-bottom-style
```