body {
   font-family: Arial, sans-serif;
   background-color: black;
   display: flex;
   justify-content: center;
   align-items: center;
   height: 100vh;
   color: white;
}
card {
   background: white;
   padding: 20px 30px;
   border-radius: 8px;
   box-shadow: 0 4px 8px rgba(f,0,0,0.1);
   text-align: center;
   max-width: 300px;;
}