body, html {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
/*  background: url('background.jpg') no-repeat center center fixed; */
/*  background-size: cover; */
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: #242223; 
  text-shadow: 2px 2px 4px rgba(0,0,0,0.6);
}
  
h1 {
  font-size: 3rem;
  font-weight: bold;
}

.logo {
  max-width: 70%;
  max-height: 70%;
}

@media (max-width: 600px) {
  h1 {
    font-size: 2rem;
  }
}