jquery dialog button background color and close icon

Question

hi,

 

    i have struggled this Area .in my code i have used Jquery dialog Popup .but on that i need to changes Background color for Button but i dont know how to do this .i tried diff ways but i cant .can you please share Your answer

 

buttons: {

'OK': function () {

debugger;

var LT= $(".Tex").val();

var LP= $(".Te").val();

var LF = $(".Text").val();

$(".PTextBox").val(LT);

$(".PP").val(LP);

$(".PF").val(LF);

$(this).dialog('close');

},