body {
    background-color: #f0f0f0;
    font-family: 'Georgia', serif;
    margin: 0;
    padding: 0;
}

.doc-menu {
    text-align: center;
    font-family: 'Georgia', serif;
    margin-bottom: 40px;
}

.doc-menu a {
    margin: 0 20px;
    text-decoration: none;
    color: #333;
    font-weight: bold;
    font-size: 16px;
    border-bottom: 2px solid transparent;
    padding-bottom: 3px;
}

.doc-menu a:hover {
    border-bottom: 2px solid #666;
}


.single-sheet {
    width: 900px;
    margin: 60px auto;
    padding: 60px;
    background-color: #fff;
    background-image:
        linear-gradient(to bottom, #e0e0e0 1px, transparent 1px),
        linear-gradient(to right, #e0e0e0 1px, transparent 1px);
    background-size: 20px 20px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    border-radius: 6px;
    color: #333;
}

header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

header img {
    height: 60px;
}

h1 {
    font-size: 28px;
    text-align: right;
    margin: 0;
}

.meta {
    font-size: 14px;
    text-align: right;
    color: #666;
    margin-bottom: 30px;
}

p {
    text-indent: 40px;
    margin-bottom: 18px;
    line-height: 1.7;
}

.signature {
    font-family: 'Dancing Script', cursive;
    font-size: 20px;
    margin-top: 50px;
    text-align: right;
    color: #555;
}

footer {
    border-top: 1px solid #ccc;
    margin-top: 60px;
    padding-top: 20px;
    font-size: 13px;
    text-align: center;
    color: #777;
}