Ajustar estilos de bienvenida y estadísticas en home

Agent-Logs-Url: https://github.com/dsaub/proyecto-final/sessions/fa8e9460-2ed8-43fb-b477-10b487ef1f88

Co-authored-by: dsaub <54474838+dsaub@users.noreply.github.com>

tienda/templates/tienda/home.html

@@ -9,8 +9,10 @@
         color: white;
         padding: 80px 20px;
         text-align: center;
-        margin-bottom: 60px;
-        border-radius: 8px;
+        margin-bottom: 0;
+        margin-left: calc(var(--bs-gutter-x) * -0.5);
+        margin-right: calc(var(--bs-gutter-x) * -0.5);
+        border-radius: 0;
     }
     
     .hero-section h1 {
@@ -99,7 +101,7 @@
         background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
         color: white;
         padding: 40px;
-        border-radius: 8px;
+        border-radius: 0;
         margin-bottom: 60px;
     }