diff --git a/src/styles/gantry.css b/src/styles/gantry.css
index 8a5df7d..d3e6b7f 100644
--- a/src/styles/gantry.css
+++ b/src/styles/gantry.css
@@ -807,6 +807,11 @@ html[data-expressway='live'] .portfolio-section[data-layout='project-stage'] {
   html .journey-hud { background: Canvas; color: CanvasText; border: 1px solid CanvasText; }
   html .site-navigation li::after { background: CanvasText; box-shadow: none; }
   html .site-navigation li[data-route='here']::after { background: Highlight; }
+  /* The tiles are drawn with background gradients, which forced colours drop;
+     a system border keeps each 44 px target visible. */
+  html .drive-start,
+  html .drive-control-button,
+  html .drive-controls__settings-trigger { border: 1px solid ButtonText; }
 }
 @media print {
   .gantry-window { display: none !important; }