diff --git a/public/css/default.css b/public/css/default.css
index 731437f..8704569 100644
--- a/public/css/default.css
+++ b/public/css/default.css
@@ -282,3 +282,14 @@ ul.custom li {
 .blogpost .content {
     margin: 10px 0;
 }
+
+
+.full-width {
+    width: 100%;
+}
+.half-width {
+    width: 50%;
+}
+.center {
+    margin: 0 auto 0 auto;
+}
\ No newline at end of file