diff --git a/vimwiki/style/css/pikaday/pikaday.css b/vimwiki/style/css/pikaday/pikaday.css
index 859c525..b7923ef 100644
--- a/vimwiki/style/css/pikaday/pikaday.css
+++ b/vimwiki/style/css/pikaday/pikaday.css
@@ -113,11 +113,13 @@
     border-collapse: collapse;
     border-spacing: 0;
     border: 0;
+    margin: 0px;
 }
 
 .pika-table th,
 .pika-table td {
     width: 14.285714285714286%;
+    padding: 0px;
 }
 
 .pika-table th {
@@ -168,4 +170,4 @@
     background: #ff8000 !important;
     box-shadow: none !important;
     border-radius: 3px !important;
-}
\ No newline at end of file
+}