/ * Back to Top Rocket slide * /
#scrolltop {display: none}
#rocketmeluncur{position:fixed;bottom:50px;z-index:7;display:none;visibility:hidden;width:26px; height:48px;right:25px;background:url() 50% 0 no-repeat; opacity: 0; -webkit-transition: .6s visibility cubic-bezier (.6, .04, .98, .335), opacity .6s cubic-bezier (.6, .04 ,. 98, .335), - webkit-transform .6s cubic-bezier (.6, .04, .98, .335); - moz-transition: .6s visibility cubic-bezier (.6, .04, .98, .335), opacity .6s cubic-bezier (.6, .04, .98, .335), - moz-transform .6s cubic-bezier (.6, .04, .98, .335); transition: visibility .6s cubic-bezier (.6, .04, .98, .335), opacity .6s cubic-bezier (.6, .04, .98, .335), transform .6s cubic-bezier (.6 ,. 04, .98, .335)}
#rocketmeluncur 50% -48px no-repeat; opacity: .5; -webkit-transition: -webkit-transform .2s; -moz-transition: -moz-transform .2s; transition: transform .2s; -webkit-transform-origin: 50% 0; -moz-transform-origin: 50% 0; transform-origin: 50% 0}
#rocketmeluncur: hover {background-position: 50% -62px}
#rocketmeluncur: i hover {background-position: 50% 100%; - webkit-animation: flaming .7s infinite; -moz-animation: flaming .7s infinite; animation: flaming .7s rocketmeluncur.showrocket infinite} # {visibility: visible ; opacity: 1}
# Rocketmeluncur.launchrocket {background-position: 50% -62px;opacity:0;-webkit-transform:translateY(-800px);-moz-transform:translateY(-800px);-ms-transform:translateY(-800px);transform:translateY(-800px);pointer-events:none}
# Rocketmeluncur.launchrocket i {background-position: 50% 100%; - webkit-transform: scale (1.4,3.2); - moz-transform: scale (1.4,3.2); transform: scale (1.4,3.2)}

<A href = "javascript: void (0);" id = "rocketmeluncur" class = "showrocket"> <i> </ i> </a>

<Script type = 'text / javascript'>
// <! [CDATA [
jQuery(window).scroll(function(){jQuery(window).sc rollTop()<50?jQuery("#rocketmeluncur").slideUp(500 ):jQuery("#rocketmeluncur").slideDown(500);var e=jQuery("#ft")[0]?jQuery("#ft")[0]:jQuery(document.body)[0],t=$("rocketmeluncur"),n=(parseInt(document.docume ntElement.clientHeight),parseInt(document.body.get BoundingClientRect().top),parseInt(e.clientWidth)) ,r=t.clientWidth;if(1e3>n){var l = parseInt (fetchOffset (e) .left); l = r> l? 2 * lr: l, t.style.left = n + l + "px"} else t.style.left = "auto", t. style.right = '10px'}), jQuery ("# ​​rocketmeluncur"). click (function () {jQuery ('html, body'). animate ({scrollTop: "0px", display: "none"}, { duration: 600, easing: "linear"}); var e = this; this.className + = "launchrocket", setTimeout (function () {e.className = "showrocket"}, 800)});
//]]>
</ Script>