diff --git a/css/binaural.css b/css/binaural.css
index bdbd5f5..3b11a56 100644
--- a/css/binaural.css
+++ b/css/binaural.css
@@ -173,12 +173,10 @@ tr.matrix td:not(.mino) {
 
 @keyframes cleared-line-animation {
     from {
-        opacity: 1;
         background-color: #ceffff66;
         box-shadow: -200px 0 5px white, 200px 0 5px white;
     }
     to {
-        opacity: 1;
         background-color: transparent;
     }
 }