1 files changed, 22 insertions, 1 deletions
diff --git a/www/app/css/common.css b/www/app/css/common.css
index 4b48010..acf164e 100644
--- a/www/app/css/common.css
+++ b/www/app/css/common.css
@@ -56,4 +56,25 @@ body {
 /*.btn.btn-default {
   background-color: #eee !important;
 }
-*/
-\ No newline at end of file
+*/
+
+/*
+ * center component
+ */
+
+.center-container {
+  position: absolute;
+  display: -webkit-flex;
+  -webkit-flex-flow: row nowrap;
+  -webkit-justify-content: center;
+  -webkit-align-content: center;
+  -webkit-align-items: center;
+  top: 0px;
+  left: 0px;
+  height: 100%;
+  width: 100%;
+}
+
+.center-container .center-item {
+  -webkit-flex: 0 1 auto;
+}