body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  overflow: hidden;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  background-color: #121212;
  z-index: 0;
}

.container {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  padding: 20px;
  margin: 0 auto;
  color: #ffffff;
}

.header {
  margin-bottom: 40px;
}

.header h3 {
  font-size: 36px;
  color: #00bcd4;
  animation: fadeIn 2s ease-in-out;
}

.header h1 {
  font-size: 64px;
  margin: 10px 0;
  color: #ffffff;
  animation: slideIn 2s ease-in-out;
}

.header p {
  font-size: 24px;
  line-height: 1.5;
  color: #b0bec5;
  animation: fadeIn 2s ease-in-out;
}

.logo img {
  width: 150px;
  margin-top: 20px;
  animation: fadeIn 2s ease-in-out;
}

.logo a {
  text-decoration: none;
}

.logo a:hover {
  opacity: 0.8;
}

.github-button {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background-color: rgba(0, 0, 0, 0.7);
  border-radius: 50%;
  padding: 10px;
  transition: background-color 0.3s ease;
  z-index: 2;
}

.github-button:hover {
  background-color: rgba(0, 0, 0, 0.9);
}

.github-button i {
  color: white;
  font-size: 30px;
}

@media (max-width: 768px) {
  .header h3 {
    font-size: 24px;
  }

  .header h1 {
    font-size: 48px;
  }

  .header p {
    font-size: 18px;
  }

  .logo img {
    width: 100px;
  }

  .github-button {
    bottom: 10px;
    right: 10px;
  }

  .github-button i {
    font-size: 24px;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    transform: translateY(-50px);
    opacity: 0;
  }

  to {
    transform: translateY(0);
    opacity: 1;
  }
}