Correct epub:type selector in night mode + os_a11y

Re #82

Author: JayPanoz

css/src/modules/ReadiumCSS-night_mode.css

@@ -44,8 +44,11 @@
   color: var(--RS__visitedColor) !important;
 }
 
+/* For epub:type, in case the contents are served as text/html, namespaces won’t work hence why we’re using both syntax */
+
 :root:--night-mode img[class*="gaiji"],
-:root:--night-mode *[epub\:type~="titlepage"] img:only-child {
+:root:--night-mode *[epub\:type~="titlepage"] img:only-child,
+:root:--night-mode *[epub|type~="titlepage"] img:only-child {
   -webkit-filter: invert(100%);
   filter: invert(100%);
 }

css/src/modules/ReadiumCSS-os_a11y.css

@@ -35,7 +35,8 @@
 
 @media screen and (-ms-high-contrast: white-on-black) {
   :root:--night-mode img[class*="gaiji"],
-  :root:--night-mode *[epub\:type~="titlepage"] img:only-child {
+  :root:--night-mode *[epub\:type~="titlepage"] img:only-child,
+  :root:--night-mode *[epub|type~="titlepage"] img:only-child {
     -webkit-filter: none !important;
     filter: none !important;
   }
@@ -52,7 +53,8 @@
 /* Will be true on recent versions of iOS and MacOS if inverted setting enabled by the user */
 @media screen and (inverted-colors) {
   :root:--night-mode img[class*="gaiji"],
-  :root:--night-mode *[epub\:type~="titlepage"] img:only-child {
+  :root:--night-mode *[epub\:type~="titlepage"] img:only-child,
+  :root:--night-mode *[epub|type~="titlepage"] img:only-child {
     -webkit-filter: none !important;
     filter: none !important;
   }