body {
  margin: 0;
  padding: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  font-family: Arial, sans-serif;
  overflow: hidden;
}

.center {
  text-align: center;
  min-width: 400px;
}

h1 {
  font-size: 3rem;
  color: #fff;
  margin: 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.powered {
  font-size: 0.8rem;
  color: #fff;
  margin: 5px 0 0 0;
  text-align: right;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
  display: block;
  width: auto;
  max-width: 400px;
}