body {
  background-color: #fff;
  font-family: Arial, sans-serif;
  color: #333;
  margin: 0;
  padding: 0;
  line-height: 1.6;
}

header {
  background: linear-gradient(rgba(37, 0, 110, 1), rgba(22, 0, 66, 1));
  color: white;
  padding: 20px;
  text-align: center;
}

h2 {
  color: #25006e;
}
h1 {
  color: #fff;
}
section {
  padding: 30px;
  max-width: 900px;
  margin: auto;
}

.step {
  margin-bottom: 40px;
}

.step img {
  display: block;
  max-width: 100%;
  border: 1px solid #ccc;
  border-radius: 6px;
  margin: 15px 0;
}

a {
  color: #25006e;
  text-decoration: none;
}

footer {
  text-align: center;
  font-size: 0.9em;
  color: #777;
  margin: 40px 0;
}
#backToTopBtn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 99;
  border: none;
  outline: none;
  background-color: #25006e;
  color: white;
  cursor: pointer;
  padding: 12px 18px;
  border-radius: 8px;
  font-size: 16px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
  transition: opacity 0.3s ease;
}

#backToTopBtn:hover {
  background-color: #1a004d;
}
@media (max-width: 600px) {
  header h1 {
    font-size: 24px;
    line-height: normal;
  }
  header {
    padding: 10px 20px;
  }
  .step {
    padding: 10px 20px;
    margin-bottom: 0;
  }
  h2 a {
    font-size: large;
  }
  footer {
    text-align: center;
    font-size: 14px;
    color: #777;
    line-height: normal;
    margin: 5px 0;
  }
}