diff --git a/web/kiri/style.css b/web/kiri/style.css
index a1045d80..22ea3406 100644
--- a/web/kiri/style.css
+++ b/web/kiri/style.css
@@ -13,7 +13,7 @@ select {
     padding: 10px;
     border: 3px solid #ddd;
     border-radius: 3px;
-    background-color: rgba(255,255,255,0.9);
+    background-color: rgba(255,255,255,0.75);
     position: fixed;
     top: 5px;
 }
@@ -200,7 +200,7 @@ select {
     color: b;acl;
     border: 3px solid #ddd;
     border-radius: 3px;
-    background-color: rgba(255,255,255,0.5);
+    background-color: rgba(255,255,255,0.75);
     padding: 10px;
     display: none;
 }
diff --git a/web/moto/style.css b/web/moto/style.css
index ef6e92b4..20d7e2a9 100644
--- a/web/moto/style.css
+++ b/web/moto/style.css
@@ -208,7 +208,7 @@ button[del] {
     border-bottom: 3px solid #ddd;
     border-top-right-radius: 3px;
     border-bottom-right-radius: 3px;
-    background-color: white;
+    background-color: rgba(255,255,255,0.75);
     overflow-y: scroll;
 }
 #control-left::-webkit-scrollbar {
@@ -229,7 +229,7 @@ button[del] {
     border-bottom: 3px solid #ddd;
     border-top-left-radius: 3px;
     border-bottom-left-radius: 3px;
-    background-color: white;
+    background-color: rgba(255,255,255,0.75);
     color: #222;
     overflow-y: scroll;
     overflow-x: visible;