cssprettifier-bookmarklet
A convenient bookmarklet for unminifying and prettifying CSS in the browser.
Also available as a UserScript by Sindre Sorhus or an existing DevTools extension by Gildas Lormeau.
Tested in Chrome stable, canary channels.
Uses
Usage
View Source -> run the bookmarklet or alternatively use it as a DevTools snippet.
Installation
Get it now. Copy/paste:
javascript:(function(){(function(){function a(a,b){function s(a){return" "===a||"\n"===a||" "===a||"\r"===a||"\f"===a}function t(a){return"'"===a||'"'===a}function u(a){return h>="a"&&"z">=h||h>="A"&&"Z">=h||h>="0"&&"9">=h||"-_*.:#".indexOf(a)>=0}function v(){var a;for(a=m;a>0;a-=1)g+=c.indent}function w(){g=r(g),p?g+=" {":(g+="\n",v(),g+="{"),"\n"!==i&&(g+="\n"),m+=1}function x(){var a;m-=1,g=r(g),q&&(a=g.charAt(g.length-1),";"!==a&&"{"!==a&&(g+=";")),g+="\n",v(),g+="}",f.push(g),g=""}var c,f,h,i,j,k,l,m,n,o,r,d=0,e=a.length,g="",p=!0,q=!1;for(c=arguments.length>1?b:{},c.indent===void 0&&(c.indent=" "),"string"==typeof c.openbrace&&(p="end-of-line"===c.openbrace),"boolean"==typeof c.autosemicolon&&(q=c.autosemicolon),r=String.prototype.trimRight?function(a){return a.trimRight()}:function(a){return a.replace(/\s+$/,"")},l={Start:0,AtRule:1,Block:2,Selector:3,Ruleset:4,Property:5,Separator:6,Expression:7,URL:8},m=0,k=l.Start,o=!1,f=[],a=a.replace(/\r\n/g,"\n");e>d;)if(h=a.charAt(d),i=a.charAt(d+1),d+=1,t(n))g+=h,h===n&&(n=null),"\\"===h&&i===n&&(g+=i,d+=1);else if(t(h))g+=h,n=h;else if(o)g+=h,"*"===h&&"/"===i&&(o=!1,g+=i,d+=1);else if("/"!==h||"*"!==i){if(k===l.Start){if(0===f.length&&s(h)&&0===g.length)continue;if(" ">=h||h.charCodeAt(0)>=128){k=l.Start,g+=h;continue}if(u(h)||"["===h||"@"===h){if(j=r(g),0===j.length)f.length>0&&(g="\n\n");else if("}"===j.charAt(j.length-1)||";"===j.charAt(j.length-1))g=j+"\n\n";else for(;;){if(i=g.charAt(g.length-1)," 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",k=l.Expression,s(i)&&(k=l.Separator);continue}if("}"===h){x(),k=l.Start,m>0&&(k=l.Block);continue}g+=h}else{if("}"===h){x(),k=l.Start,m>0&&(k=l.Block);continue}if("\n"===h){g=r(g),g+="\n";continue}if(!s(h)){g=r(g),g+="\n",v(),g+=h,k=l.Property;continue}g+=h}else{if("{"===h){w(),k=l.Ruleset;continue}if("}"===h){x(),k=l.Start;continue}g+=h}else{if(u(h)){if(j=r(g),0===j.length)f.length>0&&(g="\n\n");else if("}"===j.charAt(j.length-1))g=j+"\n\n";else for(;;){if(i=g.charAt(g.length-1)," "!==i&&9!==i.charCodeAt(0))break;g=g.substr(0,g.length-1)}v(),g+=h,k=l.Selector;continue}if("}"===h){x(),k=l.Start;continue}g+=h}else{if(";"===h){g+=h,k=l.Start;continue}if("{"===h){j=r(g),w(),k="@font-face"===j?l.Ruleset:l.Block;continue}g+=h}}else o=!0,g+=h,g+=i,d+=1;return g=f.join("")+g}"undefined"!=typeof exports?module.exports=exports=a:"object"==typeof window&&(window.cssbeautify=a)})();(function(){var e=/\blang(?:uage)?-(?!\*)(\w+)\b/i,t=self.Prism={util:{type:function(e){return 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highlighted=Prism.highlight(beautified,Prism.languages.css);prismStyle.textContent='code[class*="language-"],pre[class*="language-"]{color:black;text-shadow:0 1px white;font-family:Consolas,Monaco,\'Andale Mono\',monospace;direction:ltr;text-align:left;white-space:pre;word-spacing:normal;-moz-tab-size:4;-o-tab-size:4;tab-size:4;-webkit-hyphens:none;-moz-hyphens:none;-ms-hyphens:none;hyphens:none;}@media print{code[class*="language-"],pre[class*="language-"]{text-shadow:none;}}pre[class*="language-"]{padding:1em;margin:.5em 0;overflow:auto;}:not(pre) > code[class*="language-"],pre[class*="language-"]{background:#f5f2f0;}:not(pre) > code[class*="language-"]{padding:.1em;border-radius:.3em;}.token.comment,.token.prolog,.token.doctype,.token.cdata{color:slategray;}.token.punctuation{color:#999;}.namespace{opacity:.7;}.token.property,.token.tag,.token.boolean,.token.number{color:#905;}.token.selector,.token.attr-name,.token.string{color:#690;}.token.operator,.token.entity,.token.url,.language-css .token.string,.style .token.string{color:#a67f59;background:hsla(0,0%,100%,.5);}.token.atrule,.token.attr-value,.token.keyword{color:#07a;}.token.regex,.token.important{color:#e90;}.token.important{font-weight:bold;}.token.entity{cursor:help;}';document.head.innerHTML="";document.head.appendChild(prismStyle);document.body.innerHTML="<code><pre>"+highlighted+"</pre></code>"})();
or use this.
Before
.callout{margin:15px 0;padding:10px;font-size:13px;color:#8d8d6d;background:#fffef1;border:1px solid #e5e2c8;border-radius:4px;}.callout strong{font-weight:bold;color:#000;}.callout h2{margin:0;font-size:16px;font-weight:300;}.callout p:last-child{margin-bottom:0;}
After
.callout {
margin: 15px 0;
padding: 10px;
font-size: 13px;
color: #8d8d6d;
background: #fffef1;
border: 1px solid #e5e2c8;
border-radius: 4px;
}
.callout strong {
font-weight: bold;
color: #000;
}
.callout h2 {
margin: 0;
font-size: 16px;
font-weight: 300;
}
.callout p:last-child {
margin-bottom: 0;
}
License
MIT License (c) Addy Osmani and Sindre Sorhus