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w3c validation - How to validate vendor prefixes in CSS like -webkit- and -moz-?
    I use the webkit/mozilla border radius and box shadow CSS properties, but I want the CSS to validate (which it ... validate? http://jigsaw.w3.org/css-validator/ Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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w3c - What is the point of CSS collapsing margins?
    The CSS2 box model tells us that adjoining vertical margins collapse. I find it quite annoying, being the source of ... . What is the purpose of this feature? Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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w3c - Why are margin/padding percentages in CSS always calculated against width?
    If you look at the CSS box model spec, you'll observe the following: The [margin] percentage is calculated with ... div> </div> http://jsfiddle.net/8JDYD/ Question&Answers:os...
asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)
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