simple spinner

src/spinner.css

@@ -0,0 +1,10 @@
+.spinner {
+    display: inline-block;
+    padding: 0.5rem;
+    color: var(--theme, inherit);
+    animation: spin 1s ease-in-out infinite;
+}
+
+@keyframes spin {
+    to { -webkit-transform: rotate(360deg); }
+}