change size of buttons dialog jquery

Question

HI ive got the following dialog.

However i want to change the size of the buttons that are shown in the dialog ( only the size of the buttons, maybe if its needed olso the text in the buttons but thats it. How can i do that ????

 

thnx

 

here is my code

function ApplyJQueryUI() {

            $("#<%= callForwardingAlwaysOption.ClientID %>").buttonset();

           $("#callForwardingAlwaysDialog").dialog({
                resizable: false,
                modal: true,
                autoOpen: false,
                show: "fade",
                closeOnEscape: false,
                hide: "fade",
                buttons: {
                    "> Ok": function () {
                        $("#<%= callForwardingAlwaysButton.ClientID %>").click();
                    },
                    "> Annuleren": function () {
                        $("#<%= callForwardingAlwaysOption.ClientID %>_0").attr("checked", "checked");
                        $("#<%= callForwardingAlwaysOption.ClientID %>").buttonset("refresh");
                        $(this).dialog("close");
                    }
                }
           });
            $('#callForwardingAlwaysDialog').keypress(function(e) {
                    if (e.keyCode == $.ui.keyCode.ENTER) {
                        $("#<%= callForwardingAlwaysButton.ClientID %>").click();
                    }
            });

            $("#callForwardingAlwaysDialog").parent().appendTo($("#<%= callForwardingAlwaysUpdatePanel.ClientID %>:first"));

              if (isPostBack){
              $(dialogInstance).dialog("close");
              }
        }