fix(showcase): allow card width to adapt to content and capture full dimensions on export

index.html

@@ -4,7 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>GaCy-Srtool</title>
-  <link rel="stylesheet" href="css/styles.css?v=2.16">
+  <link rel="stylesheet" href="css/styles.css?v=2.19">
   <link rel="stylesheet" href="css/item-catalog.css?v=2">
   <link rel="icon" type="image/png" href="assets/logo.png">
   <script src="https://cdnjs.cloudflare.com/ajax/libs/html2canvas/1.4.1/html2canvas.min.js"></script>