body {
  font-family: sans-serif;
  background: #f7f7fa;
}

.panel {
  background: #fff;
  border-radius: 18px;
  padding: 32px;
  max-width: 350px;
  margin: 80px auto;
  box-shadow: 0 4px 32px #8882;
}

.btn {
  padding: 8px 24px;
  border-radius: 6px;
  border: none;
  background: #456de8;
  color: white;
  cursor: pointer;
}

.msg {
  color: #c50d2a;
  font-weight: bold;
}