/* Reset default margins */
body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: #111; /* dark background to make box stand out */
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  color: #ccc;
}

.container {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.box {
  border: 2px solid #2b2b2b; /* blackish dark grey outline */
  background-color: #666;     /* grey inside */
  padding: 40px 50px;
  max-width: 600px;
  text-align: center;
  border-radius: 10px;
  box-shadow: 0 0 20px rgba(0,0,0,0.3);
}

.box h1 {
  color: #2b2b2b; /* same color as outline */
  font-size: 1.8em;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.box p {
  color: #2b2b2b; /* same color as outline */
  font-size: 1em;
  line-height: 1.6;
}