diff --git a/factorial calculation/factorial calculation.html b/factorial calculation/factorial calculation.html
index aa787fb..96f0951 100644
--- a/factorial calculation/factorial calculation.html	
+++ b/factorial calculation/factorial calculation.html	
@@ -11,6 +11,7 @@
             background-color: #333;
             font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
         }
+        #Making Container 
         .container {
             position: absolute;
             top: 50%;
@@ -22,12 +23,14 @@
             border-radius: 20px;
             box-shadow: 0px 0px 40px #000;
         }
+        #Heading 
         h2 {
             text-transform: uppercase;
             color: #dedede;
             text-align: center;
             text-shadow: 0px 0px 10px rgba(0, 0, 0, 1)
         }
+        # Taking input
         input {
             display: block;
             width: 75px;
@@ -43,6 +46,7 @@
             font-family: 'Lucida Sans';
             text-align: center;
         }
+        #Making button 
         button {
             background: #000;
             padding: 8px;