added the first space background : test

assets/style.css

@@ -68,6 +68,38 @@ body {
   overflow-x: hidden;
 }
 
+/* ---------- space backdrop ---------- */
+
+.space {
+  position: fixed;
+  inset: -5% -5% -5% -5%;
+  z-index: -1;
+  overflow: hidden;
+  pointer-events: none;
+  will-change: transform;
+}
+
+.space__star {
+  position: absolute;
+  left: 0;
+  top: 0;
+  border-radius: 50%;
+  background: #ffffff;
+}
+
+.space__nebula {
+  position: absolute;
+  border-radius: 50%;
+  filter: blur(80px);
+  will-change: transform, opacity;
+}
+
+@media (prefers-reduced-motion: reduce) {
+  .space {
+    display: none;
+  }
+}
+
 img,
 svg {
   max-width: 100%;