feature: @cloudcmd/modal: rm duplicate box shadow

Author: coderaiser

css/modal.css

@@ -15,7 +15,6 @@
     margin: 20px;
     z-index: 10;
     box-shadow: 0 10px 25px rgb(0 0 0 / 50%);
-    box-shadow: 0 10px 25px rgb(0 0 0 / 50%);
     position: relative;
 }