CSS的1些小难题如网页页面中版权标记显示信息难

<span style="font-size:18px;"><span style="font-family:宋体;">©</span>：©
<span style="font-family:Arial;">©</span>：©</span>

<span style="font-size:18px;"><b style="position:absolute;border-style:solid;border-color: #fff #fff #666; border-left-width:4px; border-right-width:4px;border-top-width:4px; margin-left:4px;top:3px;"></b>//倒3角css
<b style="position:absolute;top:12px;border-style:solid;border-color:#666 #f5f5f5 #f5f5f5; border-left-width:4px; border-right-width:4px; border-top-width:4px; margin-left:3px;"></b>//正3角css</span>