Z

body,div,table,thead,tbody,tfoot,tr,th,td,p { font-family:"Arial"; font-size:x-small }
a.comment-indicator:hover + comment { background:#ffd; position:absolute; display:block; border:1px solid black; padding:0.5em; }
a.comment-indicator { background:red; display:inline-block; border:1px solid black; width:0.5em; height:0.5em; }
comment { display:none; }