added tests to Navbar and Dice

src/components/Navbar/Dice/Dice.module.css

@@ -0,0 +1,11 @@
+.container {
+    margin-left: 20px;
+    margin-right: 20px;
+    width: 50px;
+    height: 50px;
+}
+.container > img {
+    width: 100%;
+    height: 100%;
+    cursor: pointer;
+}