diff --git a/src/routes/weather/week/[location]/DailyStripSticky.svelte b/src/routes/weather/week/[location]/DailyStripSticky.svelte
index 1020dce..060ebbb 100644
--- a/src/routes/weather/week/[location]/DailyStripSticky.svelte
+++ b/src/routes/weather/week/[location]/DailyStripSticky.svelte
@@ -541,7 +541,10 @@
 		gap: var(--gap);
 		/* fill the row so it overflows by exactly the past button, which starts
 		   scrolled out of view and is revealed by scrolling left — even when the
-		   day cells alone wouldn't overflow (wide desktop viewports) */
+		   day cells alone wouldn't overflow (wide desktop viewports). content-box
+		   so the parking padding below ADDS to the 100% instead of being absorbed
+		   into it. */
+		box-sizing: content-box;
 		min-width: 100%;
 	}
 	/* Scroll containers clip at the PADDING edge, so a parked past button would