<asp:menu id="NavigationMenu" runat="server" style="top: 23px; left: 7px; position: absolute; height: 26px; width: 938px" xmlns:asp="#unknown">
CssClass="menu"
StaticMenuStyle-CssClass="menu"
StaticMenuItemStyle-CssClass="menu"
EnableViewState="false" IncludeStyleBlock="false"
Orientation="Horizontal" RenderingMode="List" ItemWrap="false"
Font-Size="Small">
<items>
<asp:menuitem navigateurl="~/Home/Default.aspx" text="Home" />
<asp:menuitem navigateurl="industrysolutions/OurApproach .aspx" text="our approach " />
<asp:menuitem navigateurl="~/solutionlayers/solutionlayers.aspx" text="solutions" />
<asp:menuitem navigateurl="~/industrysolutions/industrysolutions.aspx" text="industries" />
<asp:menuitem navigateurl="~/partners/technologypartners.aspx" text="partners" />
<asp:menuitem navigateurl="~/newsroom/pressreleases.aspx" text="newsroom" />
<asp:menuitem navigateurl="~/About/TheTeam.aspx" text="About Dac" />
<asp:menuitem navigateurl="~/contactus/contactdetails.aspx" text="contact us" />
</items>
</asp:menu>
Use This code I have included the style