body {
   font-family: Georgia, 'Times New Roman', Times, serif;
   background-color: #f2f2f2;
   padding: 20px;
}
h2 {
   color: #333;
}

button {
   margin-top: 15px;
   padding: 8px 15px;
   background-color: #797979;
   color: white;
   border: none;
   border-radius: 3px;
   cursor: pointer;
}

ul {
   background: white;
   padding: 10px;
   width: 250px;
   border-radius: 5px;
   box-shadow: 0 0 5px rgba(0,0,0,0.2);
}