diff --git a/styles.css b/styles.css
index 898a2266e110df40a4c0422816b1bce811efd0b5..00c7d1729cf86be3e8af3a26eaf563fc49abb797 100644
--- a/styles.css
+++ b/styles.css
@@ -11,8 +11,8 @@ body {
 }
 
 .memory-game {
-  width: 640px;
-  height: 640px;
+  width: 100%;
+  height: 100%;
   margin: auto;
   display: flex;
   flex-wrap: wrap;
@@ -21,7 +21,7 @@ body {
 
 .memory-card {
   width: calc(25% - 10px);
-  height: calc(33.333% - 10px);
+  height: calc(25% - 10px);
   margin: 5px;
   position: relative;
   transform: scale(1);