diff --git a/pesu_notes/styles.css b/pesu_notes/styles.css
index 1ab2b6b..4f4222f 100644
--- a/pesu_notes/styles.css
+++ b/pesu_notes/styles.css
@@ -115,9 +115,13 @@ code {
 }
 
 table   {
-    display: flex;
-    justify-content: center;
+    text-align: center;
+    margin: auto;
     width: 75%;
     border: 1px solid black;
     border-collapse: collapse;
+}
+
+tr, td, th  {
+    border: 1px solid black;
 }
\ No newline at end of file