body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 30px;
    color: #333;
}
h1 {
    color: #0056b3;
    font-size: 22px;
}
ul {
    list-style-type: none;
    padding: 0;
}
li {
    margin: 10px 0;
}
a {
    text-decoration: none;
    color: #007bff;
}
a:hover {
    text-decoration: underline;
}
footer {
    margin-top: 20px;
    font-size: 0.9em;
    color: #666;
}
img {
    margin: -15px; /* 모든 이미지의 margin 제거 */
}