diff --git a/examples/radio/styles.css b/examples/radio/styles.css
index 46edead..e3f3c74 100644
--- a/examples/radio/styles.css
+++ b/examples/radio/styles.css
@@ -33,8 +33,17 @@ body {
   position: relative;
   width: 100%;
   height: 15%;
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: -webkit-flex;
   display: flex;
+  -webkit-flex-direction: column;
+  -webkit-box-direction: column;
+  -ms-flex-direction: column;
   flex-direction: column;
+  -webkit-justify-content: center;
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
   justify-content: center;
   padding-left: 5%;
   cursor: pointer;
diff --git a/tests/css/styles.css b/tests/css/styles.css
index 1922347..501b568 100644
--- a/tests/css/styles.css
+++ b/tests/css/styles.css
@@ -71,9 +71,21 @@ body {
 
 /* index.html */
 #container {
+  display: -webkit-box;
+  display: -ms-flexbox;
+  display: -webkit-flex;
   display: flex;
+  -webkit-flex-direction: column;
+  -webkit-box-direction: column;
+  -ms-flex-direction: column;
   flex-direction: column;
+  -webkit-justify-content: center;
+  -webkit-box-pack: center;
+  -ms-flex-pack: center;
   justify-content: center;
+  -webkit-box-align: center;
+  -webkit-align-items: center;
+  -ms-flex-align: center;
   align-items: center;
 }