How to change the color to gray for all the previous dates including the disabled dates and highlight the present day in the Customized jQuery date picker.

By importing CSS link, it is possible to change the color to gray for all the previous dates including the disabled days and highlight the present day so the customer will not confuse to select the date.
As we are using jQuery date picker we need to add this link in the extension and add the below code in css we can achieve changing color for all previses dates
$(‘head’).append(‘style link’);
css:
td.disabled.day {
color: black;
}