conference_main/static/conference_main/styles/_schedule.sass

@@ -218,18 +218,18 @@ body.is-scrolled
     @include media-breakpoint-down(md)
       padding-top: 0.5 * $spacer
       padding-bottom: 0.5 * $spacer
-      border-bottom: var(--border-width) solid rgba(black, .05)
+      border-bottom: var(--border-width) solid var(--border-color)
 
   .row-rulers-lg
     @include media-breakpoint-up(lg)
-      border-top: var(--border-width) solid rgba(black, .05)
+      border-top: var(--border-width) solid var(--border-color)
       +padding(3, y)
 
   .col-rulers
     +padding(3, x)
 
     @include media-breakpoint-up(lg)
-      border-left: var(--border-width) solid rgba(black, .05)
+      border-left: var(--border-width) solid var(--border-color)
 
   .col-time
     @include media-breakpoint-up(lg)

conference_main/templates/conference_main/2023/flatpages/location.pug

@@ -3,7 +3,7 @@
 | {% block head_extra %}
 style.
   :root {
-    --bg-color-container: hsla(0, 0%, 100%, 0.9);
+    --bg-color-container: var(--box-bg-color);
     --bg-stripes-color-1: #5F1BED;
     --bg-stripes-color-2: #84BBDC;
     --bg-stripes-width: 75px;

conference_main/templates/conference_main/2023/presentations/speakers.pug

@@ -3,7 +3,7 @@
 | {% block head_extra %}
 style.
   :root {
-    --bg-color-container: hsla(0, 0%, 100%, 0.9);
+    --bg-color-container: var(--box-bg-color);
     --bg-color: #5F1BED;
     --bg-dots-color: #EFAA2A;
     --bg-dots-width: 300px;