Align GridView item to center and remove white space between image and td using CSS in ASP.Net

For the below code ,

how to text-align :center,

And how to fit photo column without any gaps i.e. (how to remove unwanted gap in that photo column) 

    <asp:GridView ID="GridView1" runat="server" BackColor="White" BorderColor="#3366CC" BorderStyle="None" BorderWidth="1px" CellPadding="4" AutoGenerateColumns="false"  >
         <Columns>
               <asp:TemplateField HeaderText="UserId">
                    <ItemTemplate>
                        <asp:Label ID="Label9"  runat="server" Text='<%# Bind("id") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Name">
                    <ItemTemplate>
                        <asp:Label ID="Label1" runat="server" Text='<%# Bind("name") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>
               
                <asp:TemplateField HeaderText="Photo" >
                    <ItemTemplate >                   
                        <asp:Image ID="Image3" runat="server" ImageUrl='<%# "data:image/jpg;base64," + Convert.ToBase64String((byte[])Eval("images")) %>'
                            Width="125px" Height="55px" CssClass="myin" ></asp:Image>
                    </ItemTemplate>
                </asp:TemplateField>
                <asp:TemplateField HeaderText="Designation" >
                    <ItemTemplate>
                        <asp:Label ID="Label3" runat="server" Text='<%# Bind("designation") %>'></asp:Label>
                    </ItemTemplate>
                </asp:TemplateField>                  

                  </Columns>
         <FooterStyle BackColor="#99CCCC" ForeColor="#003399" />
         <HeaderStyle BackColor="#003399" Font-Bold="True" ForeColor="#CCCCFF" />
         <PagerStyle BackColor="#99CCCC" ForeColor="#003399" HorizontalAlign="Left" />
         <RowStyle BackColor="White" ForeColor="#003399" />
         <SelectedRowStyle BackColor="#009999" Font-Bold="True" ForeColor="#CCFF99" />
         <SortedAscendingCellStyle BackColor="#EDF6F6" />
         <SortedAscendingHeaderStyle BackColor="#0D4AC4" />
         <SortedDescendingCellStyle BackColor="#D6DFDF" />
         <SortedDescendingHeaderStyle BackColor="#002876" />
    </asp:GridView>