What does it mean when a css rule starts with an @

Asked May 07 '13 at 19:03

Active May 07 '13 at 19:03

Viewed 106 times

For example

@-moz-keyframes shake { 0%, 100% {-moz-transform: translateX(0);} 10%, 30%, 50%, 70%, 90% {-moz-transform: translateX(-10px);} 20%, 40%, 60%, 80% {-moz-transform: translateX(10px);} }

what is @? I know from this question - signifies a vendor prefix and the @ always seems to precede this.

edited May 23 '17 at 12:28

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asked May 07 '13 at 19:03

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RTLM: http://www.w3.org/TR/CSS21/syndata.html#at-rules – Marc B May 07 '13 at 19:04
https://developer.mozilla.org/en-US/docs/CSS/At-rule – Blazemonger May 07 '13 at 19:05
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@MarcB out of curiosity what does RTLM stand for? – Celeritas May 07 '13 at 19:09
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RTLM is the family friendly version of "RTFM". – deceze May 07 '13 at 19:16

What does it mean when a css rule starts with an @

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