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Đơn giản bạn chỉ việc tạo một widget HTML và dán code sau vào phần nội dung sau đó lưu lại là hoàn thành thủ thuật<style type="text/css">
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#toTopHover {background:url(https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjPkyrMYkLw4sUODMqwFy-YPStAqhd955H4i-1JWALbb5FIECD6CBPNdt4NjTBEVXqebRreZuEJj8KMN3PvAVmJEXi4PClgD7tIifibnfDEUpI8_ZJklpiNNe7_qcPm7HQ0vXuH1btYZ2KU/s1600/go_top.gif) no-repeat left -30px;width:30px;height:30px;display:block;overflow:hidden;float:left;opacity: 0;-moz-opacity: 0;filter:alpha(opacity=0);
}
#toTop:active, #toTop:focus {outline:none;}
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<script type='text/javascript'>
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<a href="#" id="toTop" style="display: inline;"><span id="toTopHover" style="opacity: 0;"></span>To Top</a>
Chúc bạn thành công! Xin cảm ơn bác Tiến Nguyễn!
lúc 07:39 30 tháng 6, 2013