diff --git a/_posts/blog/2024-01-28-start-accepting-rubykaigi2024-support-for-alumni.markdown b/_posts/blog/2024-01-28-start-accepting-rubykaigi2024-support-for-alumni.markdown
index e73df85f..703d0816 100644
--- a/_posts/blog/2024-01-28-start-accepting-rubykaigi2024-support-for-alumni.markdown
+++ b/_posts/blog/2024-01-28-start-accepting-rubykaigi2024-support-for-alumni.markdown
@@ -19,6 +19,10 @@ div.past-supoorts img.photo {
object-fit: cover;
}
+img.photo:hover {
+ opacity: 0.8;
+}
+
div.past-supoorts span.event-name {
color: #fff;
background-color: #d3360b;
diff --git a/index.html b/index.html
index ecd48dc8..7c23147d 100644
--- a/index.html
+++ b/index.html
@@ -28,7 +28,7 @@ 日本で近日開催のイベント