update add tabs and styling

src/features/timbre/parameters/Parameters.module.css

@@ -1,3 +1,8 @@
+.container, .horizontalContainer, .patchesContainer {
+    border: solid 1pt slategrey;
+    border-radius: 6px;
+}
+
 .container {
     font-size: small;
     display: inline-flex;
@@ -5,7 +10,6 @@
     justify-content: center;
     padding: 16pt;
     margin: 10pt;
-    border: solid 1pt black;
     width: 15%;
     height: 214px;
     line-height: 1.5em;
@@ -22,9 +26,9 @@
     align-items: center;
     padding: 16pt 8pt 16pt 8pt;
     margin: 10pt;
-    border: solid 1pt black;
     width: 448px;
     height: 214px;
+    
 }
 
 .patchesContainer {
@@ -35,7 +39,6 @@
     align-items: center;
     padding: 16pt 8pt 16pt 8pt;
     margin: 10pt;
-    border: solid 1pt black;
     width: 680px;
     height: 214px;
 }
@@ -50,7 +53,11 @@
 
 .divider {
     height: 214px;
-    width: 1px;
-    background-color: black;
+    width: 2px;
+    background-color:slategrey;
     margin: 0 8pt;
 }
+
+.patchesContainer > .divider {
+    width: 4px;
+}