* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body, html {
  height: 100%;
  font-family: Arial, sans-serif;
  background-color: #111;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.container {
  max-width: 90%;
  padding: 20px;
}

.logo {
  max-width: 400px;
  width: 100%;
  height: auto;
  margin-bottom: 20px;
}