body {
    font-family: Arial, sans-serif;
    background-color: #f2f2f2;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h1 {
    font-size: 24px;
    margin-bottom: 20px;
}

.file-list {
    list-style-type: none;
    padding: 0;
}

.file-list li {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 3px;
    background-color: #fff;
    transition: background-color 0.2s;
}

.file-list li:hover {
    background-color: #f2f2f2;
}

.file-name {
    font-size: 24px;
    flex-grow: 1;
    margin-right: 10px;
}

.file-size {
    font-size: 24px;
}

.download-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background-color: #007bff;
    color: #fff;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.download-btn:hover {
    background-color: #0056b3;
}

.download-btn i {
    font-size: 24px;
}

/* custom.css */
.navigation-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: #f0f0f0;
    padding: 10px;
}

.nav-item a {
    color: #333;
    text-decoration: none;
    padding: 5px 10px;
}

.nav-item a:hover {
    background-color: #ddd;
}