diff --git a/style.css b/style.css
index 2db432c..93d58fb 100644
--- a/style.css
+++ b/style.css
@@ -47,6 +47,7 @@ body{
 	border-width: 0;
 	font-weight: bold;
 	font-size: 15px;
+	transition: 0.3s;
 }
 .number, .empty{
 	background-color: #eaedef;
@@ -60,6 +61,9 @@ body{
 .operator:focus, .number:focus, .empty:focus{
 	outline: 0;
 }
+.number:hover{
+	background: rgba(150,150,150,0.3);
+}
 button:nth-child(4){
 	font-size: 20px;
 	background-color: #20b2aa;