Basic Link Code

/* put this in <style type="text/css"> */

#link1{

position:fixed;
border:1px solid #fff;
background:#F7D7FC; /* change the color */
font-size:10px;
text-transform:uppercase;
color:#fff;
padding:5px;
font-family:Calibri;
 border-radius:4px;
}

/* put this beyond #sidebar */
<div id="link1"><div style="color:#fff"><a href="/" title="refresh my blog">Refresh</a></div>

/* inspired by hisabeel x requested */