Update API styling for changes in sphinx 4.x (#485)

Author: jorisvandenbossche

pydata_sphinx_theme/static/css/index.f32233a4d17734d070b2529adb954f89.css renamed to pydata_sphinx_theme/static/css/index.f8312eac34e2432659a6ef7e609c047e.css

@@ -13,13 +13,13 @@
 
 {% macro head_pre_bootstrap() %}
   <link href="{{ pathto('_static/css/theme.css', 1) }}" rel="stylesheet">
-  <link href="{{ pathto('_static/css/index.f32233a4d17734d070b2529adb954f89.css', 1) }}" rel="stylesheet">
+  <link href="{{ pathto('_static/css/index.f8312eac34e2432659a6ef7e609c047e.css', 1) }}" rel="stylesheet">
 {% endmacro %}
 
 {% macro head_js_preload() %}
-  <link rel="preload" as="script" href="{{ pathto('_static/js/index.62238795a76836e14efb.js', 1) }}">
+  <link rel="preload" as="script" href="{{ pathto('_static/js/index.c258f241e0e9126fa012.js', 1) }}">
 {% endmacro %}
 
 {% macro body_post() %}
-  <script src="{{ pathto('_static/js/index.62238795a76836e14efb.js', 1) }}"></script>
+  <script src="{{ pathto('_static/js/index.c258f241e0e9126fa012.js', 1) }}"></script>
 {% endmacro %}

pydata_sphinx_theme/static/js/index.62238795a76836e14efb.js renamed to pydata_sphinx_theme/static/js/index.c258f241e0e9126fa012.js

@@ -46,3 +46,43 @@ table.field-list {
       white-space: nowrap;
   }
 }
+
+
+/* overriding basic.css to use our own monospace font */
+.sig {
+	font-family: var(--pst-font-family-monospace);
+}
+
+
+/* C++ specific styling - overriding the basic.css to avoid custom colors*/
+
+.sig-inline.c-texpr,
+.sig-inline.cpp-texpr {
+	font-family: unset;
+}
+
+.sig.c   .k, .sig.c   .kt,
+.sig.cpp .k, .sig.cpp .kt {
+	color: rgba(var(--pst-color-text-base), 1);
+}
+
+.sig.c   .m,
+.sig.cpp .m {
+	color: rgba(var(--pst-color-text-base), 1);
+}
+
+.sig.c   .s, .sig.c   .sc,
+.sig.cpp .s, .sig.cpp .sc {
+	color: rgba(var(--pst-color-text-base), 1);
+}
+
+// addition
+
+// .sig.c .sig-name .n,
+// .sig.cpp .sig-name .n {
+//   color: rgba(var(--pst-color-inline-code), 1);
+// }
+
+.sig-name {
+  color: rgba(var(--pst-color-inline-code), 1);
+}