Update styles.css

Author: Mrxia

src/styles.css

@@ -1,6 +1,6 @@
 body {
-  background-image: url(https://api.r10086.com/%E6%A8%B1%E9%81%93%E9%9A%8F%E6%9C%BA%E5%9B%BE%E7%89%87api%E6%8E%A5%E5%8F%A3.php?%E5%9B%BE%E7%89%87%E7%B3%BB%E5%88%97=%E5%8A%A8%E6%BC%AB%E7%BB%BC%E5%90%881);
+  background-image: url(https://api.yimian.xyz/img);
   background-repeat: repeat;
   background-attachment: fixed;
   background-position: 50% 50%;
-}
+}