Revert vendor prefix removal

src/themes/dark/theme.css

@@ -20,6 +20,7 @@ html {
 }
 
 .skinHeader.semiTransparent {
+    -webkit-backdrop-filter: none !important;
     backdrop-filter: none !important;
     background-color: rgba(0, 0, 0, 0.4);
 }
@@ -226,6 +227,7 @@ html {
     color: inherit;
     background: #292929;
     border: .07em solid #292929;
+    -webkit-border-radius: .15em;
     border-radius: .15em
 }
 
@@ -375,10 +377,18 @@ html {
     color: #fff
 }
 
+.itemBackdropFader {
+    background: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0)), to(#101010));
+    background: -webkit-linear-gradient(rgba(0, 0, 0, 0), #101010);
+    background: -o-linear-gradient(rgba(0, 0, 0, 0), #101010);
+    background: linear-gradient(rgba(0, 0, 0, 0), #101010)
+}
+
 .infoBanner {
     color: #ddd;
     background: #111;
     padding: 1em;
+    -webkit-border-radius: .25em;
     border-radius: .25em
 }
 
@@ -410,7 +420,7 @@ html {
 }
 
 ::-webkit-scrollbar-track {
-    box-shadow: inset 0 0 6px rgba(0, 0, 0, .3)
+    -webkit-box-shadow: inset 0 0 6px rgba(0, 0, 0, .3)
 }
 
 ::-webkit-scrollbar-track-piece {
@@ -419,7 +429,7 @@ html {
 
 ::-webkit-scrollbar-thumb:horizontal,
 ::-webkit-scrollbar-thumb:vertical {
-    border-radius: 2px;
+    -webkit-border-radius: 2px;
     background: center no-repeat #888
 }