body {
  font-family: Arial, Helvetica, sans-serif;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  background: #f0f4f8;
}
.tile {
  background: #fff;
  border: 1px solid #ccc;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
}
.label {
  font-weight: bold;
  margin-right: 8px;
}
.value {
  font-size: 1.2em;
  margin-right: 12px;
}
button {
  padding: 6px 12px;
  font-size: 1em;
  cursor: pointer;
}