Fix rendering of new rail

assets/style.css

@@ -374,7 +374,7 @@ button.fab {
     color: var(--primary-hover);
 }
 
-.dropdown-item {
+.btn-block {
     display: flex;
     justify-content: space-between;
     align-items: baseline;
@@ -579,7 +579,6 @@ hr {
 .actions {
     display: flex;
     flex-direction: column;
-    align-items: flex-start;
     gap: 0.15rem;
 }
 
@@ -869,7 +868,7 @@ hr {
     color: var(--primary-hover);
 }
 
-.dropdown-item.cal-current {
+.btn-block.cal-current {
     color: var(--primary-hover);
 }
 
@@ -923,6 +922,7 @@ hr {
         display: block;
     }
     /* TOC on mobile is a floating overlay toggled by the FAB. */
+    .right-rail .toc,
     .toc {
         position: fixed;
         bottom: 5rem;
@@ -936,6 +936,7 @@ hr {
         display: none;
         z-index: 60;
     }
+    .right-rail .toc.is-open,
     .toc.is-open {
         display: block;
     }