cal.[title]          {padding-bottom:1px; border-bottom:1px dotted #ccc;}
cal.[title]:hover,
cal.[title]:focus    {border-bottom:1px dotted blue; background:#eef}

.tooltipParent    {position:relative; outline:0 solid}

.tooltip          {display:none; position:absolute; z-index:100; top:-3.65em; left:12px}
.tooltip .ttbox   {display:block; font-weight:bold; color:#fff; background:#066D9A; border:0.2em solid orange; padding:10px 15px; white-space:nowrap; border-radius:1em; -moz-border-radius:1em; -webkit-border-radius:1em}
.tooltip .ttarrow {width:0; height:0; overflow:hidden; border-left:0.5em solid transparent; border-right:0.5em solid transparent; border-top:1em solid orange; border-bottom:0; position:absolute; bottom:-0.95em; left:1em}