body {
  margin: 0;
  padding: 0;
  background: url("safe-cool.png") no-repeat center center fixed;
  background-size: cover;
  font-family: Arial, sans-serif;
  color: white;
}

.overlay {
  background-color: rgba(0, 0, 0, 0.75);
  padding: 20px;
  margin: 40px auto;
  max-width: 600px;
  border-radius: 12px;
  box-shadow: 0 0 20px rgba(255, 215, 0, 0.3);
  text-align: center;
}

h1 {
  font-size: 22px;
  color: gold;
  margin-bottom: 20px;
}

p {
  font-size: 16px;
  line-height: 1.4em;
  margin-bottom: 12px;
}

strong {
  color: gold;
}

@media screen and (max-width: 600px) {
  .overlay {
    margin: 20px 10px;
    padding: 15px;
  }

  h1 {
    font-size: 20px;
  }

  p {
    font-size: 15px;
  }
}