/* Reset some default styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Body styles */
body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: #f4f4f4;
  color: #333;
}

/* Header styles */
header {
  background-color: #333;
  color: #fff;
  padding: 20px 0;
}

.container {
  width: 80%;
  margin: 0 auto;
  overflow: hidden;
}

a {
  color: #fff;
  text-decoration: none;
}

.back-button {
  float: left;
  font-size: 18px;
  margin-right: 20px;
}

/* Main content styles */
main {
  padding: 20px 0;
}

h1, h2 {
  margin-bottom: 20px;
}

/* Donate options styles */
.donate-options ul {
  list-style: none;
}

.donate-options ul li {
  margin-bottom: 10px;
}

/* Responsive styles */
@media (max-width: 768px) {
  .container {
    width: 90%;
  }

  .back-button {
    display: block;
    float: none;
    margin-bottom: 10px;
  }
}