Update slideshowpure.css

slideshowpure.css

@@ -18,15 +18,16 @@
   z-index: 999999999 !important;
   visibility: visible;
 }
-.docspinner {
+.docspinner-loader {
   width: 10px;
   height: 10px;
-  margin: 0;
-  position: initial;
+  margin: 50px auto 0;
+  position: relative;
   border-radius: 50%;
   border: 4px solid #fff0;
   border-top-color: #fff;
   animation: spin 1s linear infinite;
+  z-index: 999999999 !important;
 }
 @keyframes spin {
   0% {