Вы можете изменить свой код CSS для изменения стиля.
.ajax__calendar_active: Это применяется к элементу в DOM выше дня, месяца или года и используется для применения атрибутов CSS, которые показывают текущее выбранное значение.
.ajax__calendar_active
{
font-weight:bold;
}
Календарь Css Классы
* .ajax__calendar_container : The outer rectangular container that supplies the border around the calendar element. Child Css classes: .ajax__calendar_header,.ajax__calendar_body,.ajax__calendar_footer.
* .ajax__calendar_header : A container element that holds the next and previous arrows and the title of the current view. Child Css classes: .ajax__calendar_prev, .ajax__calendar_title, .ajax__calendar_next.
* .ajax__calendar_prev : An element that displays the arrow to view the previous set of data in the view(previous month/year/decade). Child Css classes: none.
* .ajax__calendar_title : An element that displays the title of the current view (month name, year, decade). Child Css classes: none.
* .ajax__calendar_next : An element that displays the arrow to view the previous set of data in the view (previous month/year/decade). Child Css classes: none.
* .ajax__calendar_body : A container element that holds the days, months, and years panes. Also provides a fixed rectangle with hidden overflow that is used for transitioning between views (next/previous month, or days/months/years).Child Css class: .ajax__calendar_days, .ajax__calendar_months, .ajax__calendar_years.
* .ajax__calendar_days : A container element that holds the layout for the days in a month. Child Css classes: .ajax__calendar_dayname, .ajax__calendar_day
* .ajax__calendar_dayname : An element that displays the short name of the day of the week. Child Css classes: none.
* .ajax__calendar_day : An element that displays the day of the month. Child Css classes: none
* .ajax__calendar_months : A container element that holds the layout for the months in a year. Child Css classes: .ajax__calendar_month.
* .ajax__calendar_month : An element that displays the month of the year. Child Css classes: none
* .ajax__calendar_years : A container element that holds the layout for the years in a decade. Child Css classes: .ajax__calendar_year.
* .ajax__calendar_year : An element that displays the year in a decade. Child Css classes: none
* .ajax__calendar_footer : A container element that holds the current date. Child Css classes: .ajax__calendar_today.
* .ajax__calendar_today : An element that displays the current date. Child Css classes: none.
* .ajax__calendar_hover : This is applied to an element in the DOM above a day, month or year and is used to apply CSS attributes that show a hover state. Child Css classes: .ajax__calendar_day, .ajax__calendar_month, .ajax__calendar_year
* .ajax__calendar_active : This is applied to an element in the DOM above a day, month or year and is used to apply CSS attributes that show the currently selected value. Child Css classes: .ajax__calendar_day, .ajax__calendar_month, .ajax__calendar_year.
* .ajax__calendar_other : This is applied to an element in the DOM above a day or year that is outside of the current view (day not in the visible month, year not in the visible decade). Child Css classes: .ajax__calendar_day, .ajax__calendar_year.