over 5 years ago
If I'm using margin: 0 auto it will work as horizontally margin auto and vertically 0px.
Now question is if I'm using margin:auto why It is not working vertically.
Note:- No need alternate option, just want a solid reason behind it :)
vertical-align:middle because it's not applicable to block-level elements
margin-top:auto and margin-bottom:auto because their used values would compute as zero
margin-top:-50% because percentage-based margin values are calculated relative to the width of containing block
In fact, the nature of document flow and element height calculation algorithms make it impossible to use margins for centering an element vertically inside its parent. Whenever a vertical margin value is changed, it will trigger a parent element height re-calculation (reflow), which would in turn trigger a re-center of the original element.
Starting with Chrome version 45, NPAPI is no longer supported for Google Chrome. For more information, see Chrome and NPAPI (blog.chromium.org).
Firefox and Microsoft Internet Explorer are recommended browsers for websites using java applets.
Chrome Version Support
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