body { font-family: Arial, sans-serif; margin: 0; padding: 0; background: #f4f4f4; }
header { background: #333; color: #fff; padding: 1rem; display: flex; justify-content: space-between; align-items: center; }
header a { color: #fff; text-decoration: none; margin-left: 1rem; font-weight: bold; }
main { padding: 2rem; max-width: 800px; margin: 2rem auto; background: #fff; border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
.campaign { border: 1px solid #ddd; padding: 1rem; margin-bottom: 1rem; border-radius: 5px; }
.progress-bar { width: 100%; background: #eee; border-radius: 3px; overflow: hidden; margin-top: 10px; }
.progress { height: 20px; background: #28a745; transition: width 0.3s; }
button { padding: 0.5rem 1rem; background: #007bff; color: #fff; border: none; cursor: pointer; border-radius: 3px; }
button:hover { background: #0056b3; }
form { display: flex; flex-direction: column; gap: 15px; }
input, textarea { padding: 0.75rem; border: 1px solid #ccc; border-radius: 3px; font-family: inherit; }