diff --git a/style/pi-hole.css b/style/pi-hole.css
index 0c24a696..9d37490d 100644
--- a/style/pi-hole.css
+++ b/style/pi-hole.css
@@ -1011,3 +1011,13 @@ table.dataTable tbody > tr > .selected {
   line-height: 1;
   animation: 2s infinite Pulse steps(20);
 }
+
+/* Loading spinner (Dashboard and Long-term data) */
+.overlay .fa-spin {
+  position: relative;
+  opacity: 0.5;
+  font-size: 2.5em;
+  top: 50%;
+  left: 50%;
+  translate: -50% -50%;
+}