1.
<div class="m_visitor">
Today : [##_count_today_##]<br />Yesterday : [##_count_yesterday_##]<br />Total : [##_count_total_##]
</div>

2.

/* visitor */
.m_visitor {display:none}

3.
 .m_visitor {display:block;position:fixed;right:20px;bottom:60px;text-align:right;font-size:12px}