feat: Redesign start page

lib/widgets/fluffy_banner.dart

@@ -1,12 +0,0 @@
-import 'package:flutter/material.dart';
-
-class FluffyBanner extends StatelessWidget {
-  const FluffyBanner({Key key}) : super(key: key);
-
-  @override
-  Widget build(BuildContext context) {
-    return Image.asset(Theme.of(context).brightness == Brightness.dark
-        ? 'assets/banner_dark.png'
-        : 'assets/banner.png');
-  }
-}

lib/widgets/layouts/one_page_card.dart

@@ -14,6 +14,8 @@ class OnePageCard extends StatelessWidget {
   static num breakpoint = FluffyThemes.columnWidth * 2;
   @override
   Widget build(BuildContext context) {
+    final horizontalPadding =
+        max((MediaQuery.of(context).size.width - 600) / 2, 24);
     return MediaQuery.of(context).size.width <= breakpoint ||
             Matrix.of(context).client.isLogged()
         ? child
@@ -25,13 +27,13 @@ class OnePageCard extends StatelessWidget {
               ),
             ),
             child: Padding(
-              padding: EdgeInsets.symmetric(
-                horizontal:
-                    max((MediaQuery.of(context).size.width - 600) / 2, 24),
-                vertical:
-                    max((MediaQuery.of(context).size.height - 800) / 2, 24),
+              padding: EdgeInsets.only(
+                top: 16,
+                left: horizontalPadding,
+                right: horizontalPadding,
+                bottom: max((MediaQuery.of(context).size.height - 600) / 2, 24),
               ),
-              child: SafeArea(child: Card(elevation: 5, child: child)),
+              child: SafeArea(child: Card(elevation: 16, child: child)),
             ),
           );
   }