body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    margin: 0;
    padding: 20px;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}
input, textarea, select, button {
    width: 100%;
    padding: 8px;
    margin: 5px 0;
    box-sizing: border-box;
}
button {
    background-color: #4CAF50;
    color: white;
    border: none;
    cursor: pointer;
}
button:hover {
    background-color: #45a049;
}
.item-card {
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px 0;
    border-radius: 4px;
}
a {
    color: #007BFF;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}