Update styles.css

styles.css

@@ -46,6 +46,7 @@ body {
 } */
 .history-panel.show {
     left: 0; /* Slide in from the left */
+    position: relative;
 }
 
 .menu-icon {
@@ -456,8 +457,8 @@ textarea:focus {
     .history-panel {
         left:0;
         position: relative;
-        /* display: flex;
-        width: 0; */
+        display: flex;
+        /* width: 0; */
     }
     .menu-icon {
         position: absolute;