diff --git a/web/assets/css/custom.css b/web/assets/css/custom.css
index c94ab51..5179490 100644
--- a/web/assets/css/custom.css
+++ b/web/assets/css/custom.css
@@ -1,9 +1,19 @@
 body {
+  display: -webkit-box;
+  display: -webkit-flex;
+  display: -ms-flexbox;
   display: flex;
   min-height: 100vh;
-  flex-direction: column;
+  -webkit-box-orient: vertical;
+  -webkit-box-direction: normal;
+  -webkit-flex-direction: column;
+      -ms-flex-direction: column;
+          flex-direction: column;
 }
 
 main {
-  flex: 1 0 auto;
+  -webkit-box-flex: 1;
+  -webkit-flex: 1 0 auto;
+      -ms-flex: 1 0 auto;
+          flex: 1 0 auto;
 }