a img, div > p, h 1  + [title] {…}

button #backBu tton {…} / *这是一个ID分类的规则* /
#urlBar [type= "autocomplete" ] {…}  / *这是一个ID分类的规则* /
treeitem > treerow > treecell #myCell :active {…}/ *这是一个ID分类的规则* /

button.toolbarButton {…} / * A类为基础的规则* /
.fancyText {…}      / * A类为基础的规则* /
menuitem > .menu- left [checked= "true" ] {…}/ * A类为基础的规则* /

td {…}  / *一个基于标记的规则* /
treeitem > treerow {…}  / *一个基于标记的规则* /
input[type= "checkbox" ] {…}   / *一个基于标记的规则* /  

[ hidden = "true" ] {…}  / *一个普遍的规则* /
* {…} / *一个普遍的规则* /
tree > [collapsed= "true" ] {…} / *一个普遍的规则* /

无论通过何种方法进到CDC Blog的童鞋们~恭喜你通过了我们小小小小考验！
无论通过何种方法都无法在4月1日访问CDC Blog的童鞋们…囧~我谨代表CDC全体童鞋向你致以最诚挚滴歉意~！

祝大家愚人节大乐！
但愿大家的愚人节没有太悲情…


如果还想被玩一次，请点这里^^。

<style type="text/css">
/* 固定部分CSS */
#wxlist {width:25px; position:relative; text-align:left;}
/* 固定部分结束 */
</style>
<br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br />
<div class="" id="wxlist" style="position: absolute; top: 364.5px; left: 1255px;">
<div><a href="javascript:void(0)" onclick="popBugBox()" class="">用户反馈</a></div>
</div>

<script type="text/javascript">
var D=new Function('obj','return document.getElementById(obj);')
function htmlbody(){
    return (
        document.documentElement.clientHeight<=document.body.clientHeight
        &&document.documentElement.clientHeight!=0
    )
    ?document.documentElement:document.body;
}

function scrollLeft(){return (!window.pageYOffset)?htmlbody().scrollLeft:window.pageXOffset;}
function scrollTop(){return (!window.innerHeight)?htmlbody().scrollTop:window.pageYOffset;}


function getleft(strobjs,strLeftType,strleft){
    var temp_getleft = 0;
    if (strLeftType=="left"){
        //temp_getleft = scrollLeft()*1 + strleft*1;
temp_getleft = scrollLeft()*1 + 1;
    }else if (strLeftType=="mid"){
        (strleft*1<0)
        ?temp_getleft = scrollLeft()*1 + strleft*1
        + htmlbody().clientWidth*1/2 - strobjs.offsetWidth*1
        :temp_getleft = (scrollLeft()*1+strleft*1 + htmlbody().clientWidth*1/2);
    }else if (strLeftType=="right"){
//            temp_getleft
//            = scrollLeft()*1 + htmlbody().clientWidth*1
//            - strleft*1 - strobjs.offsetWidth*1;
temp_getleft
            = scrollLeft()*1 + htmlbody().clientWidth*1-25;
    }
    return temp_getleft;
}

function moveTips(strobj,theTop,theLeft,theLeftType,tt) {
    var nowobj = D(strobj);
    var nowleft = nowobj.style.left.replace("px","")*1;
    var temp_left = getleft(nowobj,theLeftType,theLeft);
    var re_theTop = theTop;
    if (temp_left!=nowleft){
        (Math.abs(temp_left-nowleft)>3&&Math.abs(temp_left-nowleft)<600)
        ?((temp_left>nowleft)?nowleft += Math.abs(temp_left-nowleft)/5
        :nowleft -= Math.abs(temp_left-nowleft)/5)
        :nowleft = temp_left;
        nowobj.style.left = nowleft + "px";
    }
    if (!openweb){old = re_theTop;var openweb;};
  var pos=50;
  pos = scrollTop()*1-nowobj.offsetTop*1+re_theTop*1;
  pos = nowobj.offsetTop+pos/10;
  if (pos < re_theTop) pos = re_theTop;
  if (pos != old) {nowobj.style.top = pos+"px";}
  old = pos;
  setTimeout("moveTips('"+strobj+"','"+theTop+"','"+theLeft+"','"+theLeftType+"')",tt);
}


//参数说明：moveTips(对象ID,距顶部像素,距左边像素,样式类型(left/mid/right)，函数延时(单位为毫秒));
moveTips('wxlist','360','470','right',"0");

</script>

<style type="text/css"> /* 固定部分CSS */ #wxlist {width:25px; position:relative; text-align:left;} /* 固定部分结束 */ </style> <br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /><br /> <div class="" id="wxlist" style="position: absolute; top: 364.5px; left: 1255px;"> <div><a href="javascript:void(0)" onclick="popBugBox()" class="">用户反馈</a></div> </div> <script type="text/javascript"> var D=new Function('obj','return document.getElementById(obj);') function htmlbody(){ return ( document.documentElement.clientHeight<=document.body.clientHeight &&document.documentElement.clientHeight!=0 ) ?document.documentElement:document.body; } function scrollLeft(){return (!window.pageYOffset)?htmlbody().scrollLeft:window.pageXOffset;} function scrollTop(){return (!window.innerHeight)?htmlbody().scrollTop:window.pageYOffset;} function getleft(strobjs,strLeftType,strleft){ var temp_getleft = 0; if (strLeftType=="left"){ //temp_getleft = scrollLeft()*1 + strleft*1; temp_getleft = scrollLeft()*1 + 1; }else if (strLeftType=="mid"){ (strleft*1<0) ?temp_getleft = scrollLeft()*1 + strleft*1 + htmlbody().clientWidth*1/2 - strobjs.offsetWidth*1 :temp_getleft = (scrollLeft()*1+strleft*1 + htmlbody().clientWidth*1/2); }else if (strLeftType=="right"){ // temp_getleft // = scrollLeft()*1 + htmlbody().clientWidth*1 // - strleft*1 - strobjs.offsetWidth*1; temp_getleft = scrollLeft()*1 + htmlbody().clientWidth*1-25; } return temp_getleft; } function moveTips(strobj,theTop,theLeft,theLeftType,tt) { var nowobj = D(strobj); var nowleft = nowobj.style.left.replace("px","")*1; var temp_left = getleft(nowobj,theLeftType,theLeft); var re_theTop = theTop; if (temp_left!=nowleft){ (Math.abs(temp_left-nowleft)>3&&Math.abs(temp_left-nowleft)<600) ?((temp_left>nowleft)?nowleft += Math.abs(temp_left-nowleft)/5 :nowleft -= Math.abs(temp_left-nowleft)/5) :nowleft = temp_left; nowobj.style.left = nowleft + "px"; } if (!openweb){old = re_theTop;var openweb;}; var pos=50; pos = scrollTop()*1-nowobj.offsetTop*1+re_theTop*1; pos = nowobj.offsetTop+pos/10; if (pos < re_theTop) pos = re_theTop; if (pos != old) {nowobj.style.top = pos+"px";} old = pos; setTimeout("moveTips('"+strobj+"','"+theTop+"','"+theLeft+"','"+theLeftType+"')",tt); } //参数说明：moveTips(对象ID,距顶部像素,距左边像素,样式类型(left/mid/right)，函数延时(单位为毫秒)); moveTips('wxlist','360','470','right',"0"); </script>

[Ctrl+A 全部选择 提示：你可先修改部分代码，再按运行]