diff --git a/calculator.html b/calculator.html
index 83f569b..da49e39 100644
--- a/calculator.html
+++ b/calculator.html
@@ -29,7 +29,7 @@
             font-size: 5rem;
             height: 80px;
             border: none;
-            background-color: #252525;
+            background-color: #212525;
             color: #fff;
             text-align: right;
             padding-right: 20px;
@@ -38,10 +38,10 @@
 
         button {
             height: 60px;
-            background-color: #fff;
+            background-color: aquamarine;
             border-radius: 3px;
             border: 1px solid #c4c4c4;
-            background-color: transparent;
+            background-color: aquamarine;
             font-size: 2rem;
             color: #333;
             background-image: linear-gradient(to bottom, transparent, transparent 50%, rgba(0, 0, 0, .04));
diff --git a/task.js b/task.js
index afea252..e71c332 100644
--- a/task.js
+++ b/task.js
@@ -10,6 +10,10 @@ const performCalculation = {
     '+': (firstOperand, secondOperand) => firstOperand + secondOperand,
 
     '-': (firstOperand, secondOperand) => firstOperand - secondOperand,
+    
+    '*': (firstOperand, secondOperand) => firstOperand * secondOperand,
+
+    '/': (firstOperand, secondOperand) => firstOperand / secondOperand,
 
     '=': (firstOperand, secondOperand) => secondOperand
 };