<div id="hdright"><span class="m"><asp:Image ID="imglog" runat="server"/></span></div>
#hdright
{
float: left;
height:40px;
position:relative;
}
#hdright span.m{position:absolute;bottom:0}
#hdright
{
float: left;
height:40px;
position:relative;
}
#hdright span.m{position:absolute;bottom:0}
1行3列样式:
<div id="firstrow">
<div id="hdleft"></div>
<div id="hdcenter"><img alt="taisol" src="img/taisol_logo.jpg" width="149" height="34" border="0" /></div>
<div id="hdright"><span class="m"><asp:Image ID="imglog" runat="server"/></span></div>
</div>#firstrow{width:100%;height:40px;background-color: #ffffff;clear:right;}
#hdleft
{
float: left;
width: 4%;
}
#hdcenter
{
float: left;
}
<div id="hdleft"></div>
<div id="hdcenter"><img alt="taisol" src="img/taisol_logo.jpg" width="149" height="34" border="0" /></div>
<div id="hdright"><span class="m"><asp:Image ID="imglog" runat="server"/></span></div>
</div>#firstrow{width:100%;height:40px;background-color: #ffffff;clear:right;}
#hdleft
{
float: left;
width: 4%;
}
#hdcenter
{
float: left;
}