Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110904062931/http://htmlhelp.com:80/reference/css/box/margin-bottom.html
The margin-bottom property sets the bottom margin of an element by specifying a length or a percentage. Percentage values refer to the parent element's width. Negative margins are permitted.
Example:
DT { margin-bottom: 3em }
Note that adjoining vertical margins are collapsed to use the maximum of the margin values.
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