Hola gente he encontrado este efecto para tu web del hit que fue muy famoso el harlem shake les dejo un vídeo para la gente que no sabe lo que es.
Vídeo:
Tutorial:
Pega el siguiente código en la parte que quieras que aparezca el botón con el efecto.
HTML:
<a class="AQUI EL DISEÑO DEL BOTON" href='javascript:(function(){function c(){var e=document.createElement("link");e.setAttribute("type","text/css");e.setAttribute("rel","stylesheet");e.setAttribute("href",f);e.setAttribute("class",l);document.body.appendChild(e)}function h(){var e=document.getElementsByClassName(l);for(var t=0;t<e.length;t++){document.body.removeChild(e[t])}}function p(){var e=document.createElement("div");e.setAttribute("class",a);document.body.appendChild(e);setTimeout(functi on(){document.body.removeChild(e)},100)}function d(e){return{height:e.offsetHeight,width:e.offsetWi dth}}function v(i){var s=d(i);return s.height>e&&s.height<n&&s.width>t&&s.width<r}function m(e){var t=e;var n=0;while(!!t){n+=t.offsetTop;t=t.offsetParent}ret urn n}function g(){var e=document.documentElement;if(!!window.innerWidth) {return window.innerHeight}else if(e&&!isNaN(e.clientHeight)){return e.clientHeight}return 0}function y(){if(window.pageYOffset){return window.pageYOffset}return Math.max(document.documentElement.scrollTop,docume nt.body.scrollTop)}function E(e){var t=m(e);return t>=w&&t<=b+w}function S(){var e=document.createElement("audio");e.setAttribute("class",l);e.src=i;e.loop=false;e.addEventListener("canplay",function(){setTimeout(function(){x(k)},500);setTi meout(function(){N();p();for(var e=0;e<O.length;e++){T(O[e])}},15500)},true);e.addEventListener("ended",function(){N();h()},true);e.innerHTML=" <p>If you are reading this, it is because your browser does not support the audio element. We recommend that you get a new browser.</p> <p>";document.body.appendChild(e);e.play()}function x(e){e.className+=" "+s+" "+o}function T(e){e.className+=" "+s+" "+u[Math.floor(Math.random()*u.length)]}function N(){var e=document.getElementsByClassName(s);var t=new RegExp("\\b"+s+"\\b");for(var n=0;n<e.length;){e[n].className=e[n].className.replace(t,"")}}var e=30;var t=30;var n=350;var r=350;var i="//s3.amazonaws.com/moovweb-marketing/playground/harlem-shake.mp3";var s="mw-harlem_shake_me";var o="im_first";var u=["im_drunk","im_baked","im_trippin","im_blown"];var a="mw-strobe_light";var f="//s3.amazonaws.com/moovweb-marketing/playground/harlem-shake-style.css";var l="mw_added_css";var b=g();var w=y();var C=document.getElementsByTagName("*");var k=null;for(var L=0;L<C.length;L++){var A=C[L];if(v(A)){if(E(A)){k=A;break}}}if(A===null){consol e.warn("Could not find a node of the right size. Please try a different page.");return}c();S();var O=[];for(var L=0;L<C.length;L++){var A=C[L];if(v(A)){O.push(A)}}})()' style="align:center;margin-top:120px;">TU TEXTO</a>
Fuente: Haz que tu web baile al ritmo de Harlem Shake
Si te ha gustado no olvides el "Me Agrada" Gracias y un saludo!