#GuestBookList{width:700px; margin:5px auto;}
#GuestBookList div{border:1px solid #d1d1d3; margin-bottom:5px;padding-top:1px;}
#GuestBookList ul {width:696px;margin:1px;}
#GuestBookList li { float:left; line-height:24px;}
#GuestBookList .gbItem li{ background:#d4e6e8;}
#GuestBookList .gbAlter li{background: #e0d9c7}
#GuestBookList p{clear:both;height:auto;line-height:1.2;padding:6px; overflow:auto;}
#GuestBookList .w1{width:400px; text-indent:36px;}
#GuestBookList .w2{width:148px;}
#GuestBookList .w3{width:148px;}
<asp:Repeater ID="rptList" runat="server">
<HeaderTemplate>
<div id="GuestBookList">
<div class="gbAlter">
<ul>
<li class="w1"><%=GetRes("Info_Name")%></li>
<li class="w2"><%=GetRes("Info_Adder")%></li>
<li class="w3"><%=GetRes("Info_PostDate")%></li>
</ul>
</div>
</HeaderTemplate>
<ItemTemplate>
<div class="gbItem">
<ul>
<li class="w1"><%#Eval("GbSubject") %></li>
<li class="w2"><%#Eval("GbUser") %></li>
<li class="w3"><%#Eval("GbDate") %></li>
</ul>
<p><%#Eval("GbInfo") %></p>
</div>
</ItemTemplate>
<AlternatingItemTemplate>
<div class="gbAlter">
<ul>
<li class="w1"><%#Eval("GbSubject") %></li>
<li class="w2"><%#Eval("GbUser") %></li>
<li class="w3"><%#Eval("GbDate") %></li>
</ul>
<p><%#Eval("GbInfo") %></p>
</div>
</AlternatingItemTemplate>
<FooterTemplate></div></FooterTemplate>
</asp:Repeater>