Update styles.css

styles.css

@@ -395,9 +395,16 @@ input, textarea {
     display: flex;
     align-items: center;
     height: 100%;
+    margin-top: 6px;
 }
 
-/* REMOVE background behind hamburger column */
+/* REMOVE background from left column completely */
 div[data-testid="column"]:first-child {
     background: transparent !important;
+    padding-top: 12px !important;
+}
+
+/* Make columns visually merge */
+div[data-testid="horizontalBlock"] {
+    background: transparent !important;
 }