remove unnecessary color specification

apps/app/src/components/PagePresentationModal.module.scss

@@ -21,7 +21,6 @@
     width: 3rem;
     height: 3rem;
     font-size: 1.5rem;
-    color: var(--color-global);
     opacity: 0.3;
   }
 

packages/presentation/src/components/Presentation.module.scss

@@ -12,10 +12,10 @@
     }
     .controls {
       bottom: 24px;
-      color: var(--color-global);
+      color: var(--bs-body-color);
     }
     .progress {
-      color: var(--accent);
+      color: var(--bs-primary);
     }
   }