382 lines
6.9 KiB
JSON
382 lines
6.9 KiB
JSON
{
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"title":"CSS Generated content for pseudo-elements",
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"description":"Method of displaying text or images before or after the given element's contents using the ::before and ::after pseudo-elements. All browsers with support also support the `attr()` notation in the `content` property. ",
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"spec":"https://www.w3.org/TR/CSS21/generate.html",
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"status":"rec",
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"links":[
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{
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"url":"http://www.westciv.com/style_master/academy/css_tutorial/advanced/generated_content.html",
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"title":"Guide on usage"
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},
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{
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"url":"https://dev.opera.com/articles/view/css-generated-content-techniques/",
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"title":"Dev.Opera article"
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},
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{
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"url":"https://www.webplatform.org/docs/css/generated_and_replaced_content",
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"title":"WebPlatform Docs"
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}
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],
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"bugs":[
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{
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"description":"Chrome supports CSS transitions on generated content as of v. 26. Safari v6 and below do not support transitions or animations on pseudo elements."
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},
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{
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"description":"IE9, IE10, IE11 ignore CSS rem units in the line-height property. [Bug report](https://connect.microsoft.com/IE/feedback/details/776744/css3-using-rem-to-set-line-height-in-before-after-pseudo-elements-doesnt-work)."
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},
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{
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"description":"Firefox & Edge do not support `:after` and `:before` for input fields"
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}
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],
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"categories":[
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"CSS2",
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"CSS3"
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],
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"stats":{
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"ie":{
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"5.5":"n",
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"6":"n",
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"7":"n",
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"8":"a #1",
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"9":"y",
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"10":"y",
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"11":"y"
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},
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"edge":{
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"12":"y",
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"13":"y",
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"14":"y",
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"15":"y",
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"16":"y",
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"17":"y",
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"18":"y",
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"76":"y"
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},
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"firefox":{
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"2":"y",
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"3":"y",
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"3.5":"y",
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"3.6":"y",
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"4":"y",
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"5":"y",
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"6":"y",
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"7":"y",
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"8":"y",
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"9":"y",
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"10":"y",
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"11":"y",
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"13":"y",
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"22":"y",
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"23":"y",
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"68":"y",
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"69":"y",
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"70":"y",
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"71":"y"
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},
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"chrome":{
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"4":"y",
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"5":"y",
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"6":"y",
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"7":"y",
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"8":"y",
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"9":"y",
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"10":"y",
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"11":"y",
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"12":"y",
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"13":"y",
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"14":"y",
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"15":"y",
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"16":"y",
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"31":"y",
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"32":"y",
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"33":"y",
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"34":"y",
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"35":"y",
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"36":"y",
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"37":"y",
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"38":"y",
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"39":"y",
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"40":"y",
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"41":"y",
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"42":"y",
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"43":"y",
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"44":"y",
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"45":"y",
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"48":"y",
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"49":"y",
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"50":"y",
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"51":"y",
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"52":"y",
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"53":"y",
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"54":"y",
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"55":"y",
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"56":"y",
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"57":"y",
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"58":"y",
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"59":"y",
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"60":"y",
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"61":"y",
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"62":"y",
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"63":"y",
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"64":"y",
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"65":"y",
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"66":"y",
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"67":"y",
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"68":"y",
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"69":"y",
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"70":"y",
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"71":"y",
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"72":"y",
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"73":"y",
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"74":"y",
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"75":"y",
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"76":"y",
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"77":"y",
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"78":"y",
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"79":"y",
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"80":"y"
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},
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"safari":{
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"3.1":"y",
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"3.2":"y",
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"4":"y",
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"5":"y",
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"5.1":"y",
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"6":"y",
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"6.1":"y",
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"7":"y",
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"7.1":"y",
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"8":"y",
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"9":"y",
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"9.1":"y",
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"10":"y",
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"10.1":"y",
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"11":"y",
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"11.1":"y",
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"12":"y",
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"12.1":"y",
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"13":"y",
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"TP":"y"
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},
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"opera":{
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"9":"y",
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"9.5-9.6":"y",
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"10.0-10.1":"y",
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"10.5":"y",
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"10.6":"y",
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"11":"y",
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"11.1":"y",
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"11.5":"y",
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"11.6":"y",
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"12":"y",
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"12.1":"y",
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"15":"y",
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"16":"y",
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"17":"y",
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"18":"y",
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"19":"y",
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"20":"y",
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"21":"y",
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"22":"y",
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"23":"y",
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"24":"y",
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"25":"y",
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"26":"y",
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"27":"y",
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"28":"y",
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"29":"y",
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"30":"y",
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"31":"y",
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"32":"y",
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"33":"y",
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"34":"y",
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"35":"y",
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"36":"y",
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"37":"y",
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"38":"y",
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"39":"y",
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"40":"y",
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"41":"y",
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"42":"y",
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"43":"y",
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"44":"y",
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"45":"y",
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"46":"y",
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"47":"y",
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"48":"y",
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"49":"y",
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"50":"y",
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"51":"y",
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"52":"y",
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"53":"y",
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"54":"y",
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"55":"y",
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"56":"y",
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"57":"y",
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"58":"y",
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"60":"y",
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"62":"y"
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},
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"ios_saf":{
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"3.2":"y",
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"4.0-4.1":"y",
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"4.2-4.3":"y",
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"5.0-5.1":"y",
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"6.0-6.1":"y",
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"7.0-7.1":"y",
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"8":"y",
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"8.1-8.4":"y",
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"9.0-9.2":"y",
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"9.3":"y",
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"10.0-10.2":"y",
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"10.3":"y",
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"11.0-11.2":"y",
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"11.3-11.4":"y",
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"12.0-12.1":"y",
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"12.2-12.3":"y",
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"13":"y"
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},
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"op_mini":{
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"all":"y"
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},
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"android":{
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"2.1":"y",
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"2.2":"y",
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"2.3":"y",
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"3":"y",
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"4":"y",
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"4.1":"y",
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"4.2-4.3":"y",
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"4.4":"y",
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"4.4.3-4.4.4":"y",
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"76":"y"
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},
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"bb":{
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"7":"y",
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"10":"y"
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},
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"op_mob":{
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"10":"y",
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"11":"y",
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"11.1":"y",
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"11.5":"y",
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"12":"y",
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"12.1":"y",
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"46":"y"
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},
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"and_chr":{
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"76":"y"
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},
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"and_ff":{
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"68":"y"
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},
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"ie_mob":{
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"10":"y",
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"11":"y"
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},
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"and_uc":{
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"12.12":"y"
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},
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"samsung":{
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"4":"y",
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"5.0-5.4":"y",
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"6.2-6.4":"y",
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"7.2-7.4":"y",
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"8.2":"y",
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"9.2":"y"
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},
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"and_qq":{
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"1.2":"y"
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},
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"baidu":{
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"7.12":"y"
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},
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"kaios":{
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"2.5":"y"
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}
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},
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"notes":"For content to appear in pseudo-elements, the `content` property must be set (but may be an empty string).",
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"notes_by_num":{
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"1":"IE8 only supports the single-colon CSS 2.1 syntax (i.e. :pseudo-class). It does not support the double-colon CSS3 syntax (i.e. ::pseudo-element)."
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},
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"usage_perc_y":98.97,
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"usage_perc_a":0.14,
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"ucprefix":false,
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"parent":"",
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"keywords":"before,after",
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"ie_id":"",
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"chrome_id":"",
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"firefox_id":"",
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"webkit_id":"",
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"shown":true
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}
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