diff --git a/colors.html b/colors.html
index 5bc9f0f..e4459b0 100644
--- a/colors.html
+++ b/colors.html
@@ -60,7 +60,7 @@ svg {
xmlns="http://www.w3.org/2000/svg"
>
@@ -273,6 +273,7 @@ function activateColor(el) {
// Force its stroke to be black. (Doing this with CSS doesn't work; the
// hover state is broken by mutating the DOM.)
el.style.stroke = 'black';
+ el.style.strokeWidth = '5px';
}
// https://stackoverflow.com/a/5624139/91238