corrections

css/new-wave.css

@@ -19,6 +19,12 @@ body[data-bs-theme="dark"] {
   background-image: radial-gradient(#2226, #25292d66);
 }
 
+.card,
+#matrixCard {
+    background: repeating-linear-gradient(transparent, #111 1px);
+    backdrop-filter: blur(3px);
+}
+
 .minoes-table {
   background: transparent;
 }

css/stereo.css

@@ -1,5 +1,5 @@
 body {
-    background-image: url(binaural/bg.jpg),
+    background-image: url(stereo/bg.jpg),
         radial-gradient(
             circle at center,
             #39444f 0%,

index.html

@@ -13,7 +13,7 @@
     <link rel="alternate stylesheet" href="css/classic.css" title="Classique">
     <link rel="alternate stylesheet" href="css/minimal.css" title="Minimal">
     <link rel="alternate stylesheet" href="css/electro.css" title="Électro">
-    <link rel="alternate stylesheet" href="css/new-wave.css" title="New Wave">
+    <link rel="alternate stylesheet" href="css/new-wave.css" title="New wave">
     <link rel="alternate stylesheet" href="css/synthwave.css"     title="Synthwave">
     <link rel="alternate stylesheet" href="css/retro.css"   title="Rétro">
     <link rel="alternate stylesheet" href="css/opera.css"   title="Opéra">
@@ -72,7 +72,7 @@
                 <div class="col-4"><select name="stylesheet" id="stylesheetSelect" class="form-select" oninput="selectedStyleSheet.href = this.value">
                   <option value="css/classic.css" selected>Classique</option>
                   <option value="css/minimal.css">Minimal</option>
-                  <option value="css/new-wave.css">New Wave</option>
+                  <option value="css/new-wave.css">New wave</option>
                   <option value="css/synthwave.css">Synthwave</option>
                   <option value="css/electro.css">Électro</option>
                   <option value="css/retro.css">Rétro</option>