add help button in right corner

main.css

@@ -29,4 +29,24 @@ h1 {
     background-color: lightgray;
     border-radius: 5px;
     padding: 5px 10px 5px 10px;
-}
+}
+
+#help-div {
+    z-index: 10;
+    position: fixed;
+    bottom: -4px;
+    right: 10px;
+}
+
+#help {
+    margin-bottom: 10px;
+    background-color: aqua;
+    border-radius: 100%;
+    width: 60px;
+    height: 60px;
+    text-align: center;
+}
+
+#help .material-symbols-outlined {
+    font-size: 40px;
+}