/* ?????? ???? ???? ???? */
body {
    font-family: sans-serif;
    text-align: center;
    margin: 20px;
}

/* ?????? ??? ????? */
form {
    padding: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    width: 50%;
    margin: 0 auto;
}

/* ?????? ???? ????? */
button[type="submit"] {
    background-color: #007bff;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

button[type="submit"]:hover {
    background-color: #0056b3;
}

/* ?????? ???? ?????? (??? ???? ?????) */
a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* ?????? ???? ??????? (???????) */
.file-list {
    margin-top: 20px;
    border: 1px solid #ccc;
    padding: 10px;
    border-radius: 5px;
    width: 50%;
    margin: 0 auto;
}

.file-list h2 {
    font-size: 1.2em;
    margin-bottom: 10px;
}

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

.file-list li {
    margin-bottom: 5px;
}