In css page
.btn1
{
color: #ffffff;
background-color: #006697;
}
.btn1:hover
{
border-bottom-style:groove;
background:#3A6629;
border:1px solid #3A6629;
-webkit-box-shadow: 0px 0px 5px rgba(0,0,0, .75);
-moz-box-shadow: 0px 0px 5px rgba(0,0,0, .75);
box-shadow: 0px 0px 5px rgba(0,0,0, .75);
}
In ASPX page
<asp:LinkButton ID="LinkButton2" CssClass="btn1" runat="server" Font-Bold="True" BorderStyle="Groove" BorderWidth="3px" Font-Underline="False"
OnClick="LinkButton2_Click1"
Style="font-size: small; left: 449px;
font-family: Tahoma; position: absolute; top: 150px; height: 20px; width: 107px;"
OnClientClick ="return confirm('Are you sure you want to add admin?');" >Add Admin</asp:LinkButton>