I am having trouble in applying my external CSS on asp:LinkButton tag. When Css is applied on simple button tag it works fine in case of asp:LinkButton tag its not working. Need Help!
 <form id="form1" runat="server">
        <div class="wrapper"> <div class="input-group">
                            <input type="text" name="q" class="form-control" placeholder="Search..." />
                            <span class="input-group-btn">
                                <button type='submit' name='search' id='search-btn' class="btn btn-flat"><i class="fa fa-search"></i></button>
                            </span>
                            <span class="input-group-btn">
                                <asp:LinkButton  runat="server" id="LinkButton1" CssClass="btn btn-flat"><i class="fa fa-search"></i></asp:LinkButton>
                            </span>
                        </div>
                      </div>
                    </form>

 
    