body {
    font-family: Arial, sans-serif;
    margin: 20px;
    background-color: #f5f5f5;
}

.header {
    background-color: #4CAF50;
    color: white;
    padding: 15px;
    border-radius: 5px;
}

.file-list {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.file-item {
    padding: 10px;
    border-bottom: 1px solid #eee;
}

.file-item:hover {
    background-color: #f9f9f9;
}

.file-icon {
    margin-right: 10px;
    color: #4CAF50;
}

.folder {
    color: #2196F3;
}

.file {
    color: #757575;
}

.size {
    color: #888;
    font-size: 0.9em;
    float: right;
}