April Fools CSS

Some CSS april fools

As of 22. 02. 2014. See the latest version.

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Violentmonkey to install this script.

You will need to install an extension such as Tampermonkey or Userscripts to install this script.

You will need to install an extension such as Tampermonkey to install this script.

You will need to install a user script manager extension to install this script.

(I already have a user script manager, let me install it!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name           April Fools CSS
// @description    Some CSS april fools
// @author         jerone
// @namespace      https://github.com/jerone/AprilFoolsCSS
// @include        *
// @version        1.1
// ==/UserScript==


if(window.top===window){

	var duration = 2000,	// [Integer, positive, miliseconds] This controls the duration of an april fool item;
		interval = 8000;	// [Integer, positive, miliseconds] This controls the interval of the next april fool;

	var aprilFools = [		// [String] April fools in CSS; Use {duration} for a dynamic duration;
			"img {										\
				-webkit-transform: rotate(180deg);		\
				   -moz-transform: rotate(180deg);		\
				    -ms-transform: rotate(180deg);		\
				     -o-transform: rotate(180deg);		\
				        transform: rotate(180deg);		\
			}", 
			"body {										\
				-webkit-transform: rotate(1deg);		\
				   -moz-transform: rotate(1deg);		\
				    -ms-transform: rotate(1deg);		\
				     -o-transform: rotate(1deg);		\
				        transform: rotate(1deg);		\
			}",
			"body {										\
				-webkit-perspective: 300px; 			\
				   -moz-perspective: 300px; 			\
				    -ms-perspective: 300px; 			\
					    perspective: 300px;				\
				-webkit-transform: rotateY(180deg);		\
				   -moz-transform: rotateY(180deg);		\
				    -ms-transform: rotateY(180deg);		\
					    transform: rotateY(180deg);		\
				-webkit-transform-style: preserve-3d;	\
				   -moz-transform-style: preserve-3d;	\
				    -ms-transform-style: preserve-3d;	\
					    transform-style: preserve-3d;	\
			}",
			"img {										\
				-webkit-transform: scale(0.8); 			\
				   -moz-transform: scale(0.8); 			\
				    -ms-transform: scale(0.8); 			\
				     -o-transform: scale(0.8); 			\
					transform: scale(0.8); 				\
			}",
			"img { -webkit-animation: spin {duration}s linear infinite; }	\
			@-webkit-keyframes spin {										\
				  0% { -webkit-transform: rotate(0deg); }					\
				100% { -webkit-transform: rotate(360deg); }					\
			}",
			"body { -webkit-animation: rainbow {duration}s infinite; }		\
			@-webkit-keyframes rainbow {									\
				100% { -webkit-filter: hue-rotate(360deg); }				\
			}",
		],
		aprilFool = 0, aprilFooled = 0;

	interval = Math.abs(interval);
	duration = Math.max(1000, Math.abs(duration));

	window.setInterval(function(){
		do { aprilFool = Math.floor(Math.random() * aprilFools.length);
		} while(aprilFool === aprilFooled);
		document.documentElement.classList.add("aprilfool" + (aprilFooled = aprilFool));
		window.console&&console.log("added aprilfool" + aprilFool);
		window.setTimeout(function(){
			document.documentElement.classList.remove("aprilfool" + aprilFooled);
			window.console&&console.log("removed aprilfool" + aprilFool);
		}, duration);
	}, interval + duration + 10);

	for(var aprilFool in aprilFools){
		GM_addStyle(".aprilfool" + aprilFool + " " + aprilFools[aprilFool].replace("{duration}", duration/1000));
	}
}