body {
  background-image: url("image/bg.png");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-attachment: fixed;
  background-color: #f0f0f0;
  margin: 0 auto;
  padding: 0;
  font-family: Arial, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 100%;
  transition: background-color 0.5s ease;
}

header {
  background-color: #ff5e5e;
  color: white;
  padding: 20px;
  text-align: center;
  position: relative;
}

nav {
  display: flex;
  justify-content: center;
  margin-top: 20px;
  flex-wrap: wrap;
}

nav button {
  background-color: #fff;
  color: #ff5e5e;
  border: 2px solid #ff5e5e;
  padding: 20px 40px;
  font-size: 20px;
  cursor: pointer;
  margin: 0 10px;
  transition: background-color 0.3s, color 0.3s;
}

nav button:hover {
  background-color: #ff5e5e;
  color: #fff;
}

.main-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 20px;
}

.tagline {
  text-align: center;
  margin-bottom: 20px;
}
.tagline h2 {
  font-size: 28px;
  margin-bottom: 10px;
}
.tagline p {
  font-size: 22px;
  color: #666;
}
.main-button {
  background-color: #ff5e5e;
  color: #fff;
  border: none;
  padding: 20px 40px;
  font-size: 20px;
  cursor: pointer;
  margin: 20px;
  border-radius: 5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.main-button:hover {
  background-color: #fff;
  color: #ff5e5e;
  border: 2px solid #ff5e5e;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.donation-section {
  height: 100vh;
  background-color: #f7f7f7;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: background-color 0.5s ease;
  opacity: 0;
  visibility: hidden;
  transform: translateY(50px);
  padding: 20px;
}
.donation-section.scrolled {
  background-color: #ffcccc;
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.donation-button {
  background-color: #ff5e5e;
  color: #fff;
  border: none;
  padding: 20px 40px;
  font-size: 20px;
  cursor: pointer;
  border-radius: 5px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s;
}
.donation-button:hover {
  background-color: #fff;
  color: #ff5e5e;
  border: 2px solid #ff5e5e;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.donation-tag {
  font-size: 22px;
  color: #666;
  text-align: center;
  margin-bottom: 20px;
}
.articles-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 20px;
}
.article-box {
  background-color: #fff;
  padding: 20px;
  margin: 20px;
  width: 30%;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s, box-shadow 0.3s;
}
.article-box:hover {
  transform: translateY(-10px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}
.article-box h3 {
  font-size: 22px;
  margin-bottom: 10px;
}
.article-box p {
  font-size: 18px;
  color: #666;
}
footer {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
  position: relative;
  bottom: 0;
}