diff --git a/core/vendor/delta-ico/init.css b/core/vendor/delta-ico/init.css
index d672df7..1b871db 100644
--- a/core/vendor/delta-ico/init.css
+++ b/core/vendor/delta-ico/init.css
@@ -19,7 +19,17 @@
 	animation: spin 2s infinite linear;
 	display: inline-block;
 }
-@-moz-keyframes spin, @-webkit-keyframes spin, @-o-keyframes spin, @-ms-keyframes spin, @keyframes spin {
+
+@keyframes spin {
+	0% {
+		transform: rotate(0deg);
+	}
+	100% {
+		transform: rotate(359deg);
+	}
+}
+
+@-moz-keyframes spin, @-webkit-keyframes spin, @-o-keyframes spin, @-ms-keyframes spin {
 	0% {
 		transform: rotate(0deg);
 	}