perForumStats: fix dark theme

Bug: twpowertools:92
Change-Id: I288e09c74c22ac4bb6b8a1fd3e27eb99418e8191
diff --git a/src/static/css/ccdarktheme.css b/src/static/css/ccdarktheme.css
index e7fa12f..c993334 100644
--- a/src/static/css/ccdarktheme.css
+++ b/src/static/css/ccdarktheme.css
@@ -611,28 +611,28 @@
 
 /* Chart in the profile view */
 ec-user bar-chart .axis text,
-    ec-unified-user sc-tailwind-shared-activity-chart .axis text {
+    ec-unified-user .scTailwindSharedActivitychartchart .axis text {
   fill: rgba(255, 255, 255, .54)!important;
 }
 
 ec-user bar-chart .axis path,
     ec-user bar-chart .axis .gridline,
     ec-user bar-chart .axis line,
-    ec-unified-user sc-tailwind-shared-activity-chart .axis path,
-    ec-unified-user sc-tailwind-shared-activity-chart .axis .gridline,
-    ec-unified-user sc-tailwind-shared-activity-chart .axis line {
+    ec-unified-user .scTailwindSharedActivitychartchart .axis path,
+    ec-unified-user .scTailwindSharedActivitychartchart .axis .gridline,
+    ec-unified-user .scTailwindSharedActivitychartchart .axis line {
   stroke: rgba(255, 255, 255, .12)!important;
 }
 
 ec-user bar-chart .axis line.axis-zero-tick,
     ec-user bar-chart .axis.x .tick-mark,
-    ec-unified-user sc-tailwind-shared-activity-chart .axis line.axis-zero-tick,
-    ec-unified-user sc-tailwind-shared-activity-chart .axis.x .tick-mark {
+    ec-unified-user .scTailwindSharedActivitychartchart .axis line.axis-zero-tick,
+    ec-unified-user .scTailwindSharedActivitychartchart .axis.x .tick-mark {
   stroke: rgba(255, 255, 255, .38)!important;
 }
 
 ec-user bar-chart .aplos-legend-entry,
-    ec-unified-user sc-tailwind-shared-activity-chart .aplos-legend-entry {
+    ec-unified-user .scTailwindSharedActivitychartchart .aplos-legend-entry {
   color: var(--TWPT-secondary-text)!important;
 }