Updated DatePickerPopover to be themed

Fixes: #195

• Updated:
- DatePickerPopover to be themed

app/javascript/gabsocial/components/popover/date_picker_popover.js

@@ -63,7 +63,7 @@ class DatePickerPopover extends PureComponent {
 
     return (
       <PopoverLayout width={331} isXS={isXS}>
-        <div className={[_s.default].join(' ')}>
+        <div className={[_s.default, _s.bgSubtle].join(' ')}>
           <DatePicker
             inline
             target={this}

app/javascript/styles/global.css

@@ -1063,3 +1063,26 @@ body {
 :global(.react-datepicker__quarter-text--in-range) {
   background-color: var(--color_brand) !important;
 }
+
+:global(.react-datepicker__current-month),
+:global(.react-datepicker-time__header),
+:global(.react-datepicker-year-header),
+:global(.react-datepicker__day-name),
+:global(.react-datepicker__day),
+:global(.react-datepicker__time-name),
+:global(.react-datepicker__time-list-item) {
+  color: var(--text_color_primary) !important;
+}
+
+:global(.react-datepicker__time-container .react-datepicker__time .react-datepicker__time-box ul.react-datepicker__time-list li.react-datepicker__time-list-item:hover),
+:global(.react-datepicker__day:hover),
+:global(.react-datepicker__month-text:hover),
+:global(.react-datepicker__quarter-text:hover) {
+  background-color: var(--solid_color_primary-opaque) !important;
+}
+
+:global(.react-datepicker),
+:global(.react-datepicker__time-container),
+:global(.react-datepicker__time) {
+  background-color: var(--solid_color_block) !important;
+}