GridView with CSS

<asp:GridView ID="gvShowCourses" runat="server" AutoGenerateColumns="false" CssClass="Grid" AlternatingRowStyle-CssClass="AlternatingItem"></asp:GridView>

and in the css file add the following style :

.Grid{ border:none; color:#333333; width:100%; }

.Grid tr{ vertical-align:top;}

.Grid th {background-color:#990000;font-weight:bold;color:White;padding:5px;}

.Grid td {background-color:#eeeeee;font-weight:normal;color:#333333;padding:5px;}

.AlternatingItem td{background-color:#FFFFFF;font-weight:normal;color:#333333;padding:5px;}