body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background: #f4f4f9;
    color: #333;
}

h2 {
    text-align: center;
}

.main-logo {
    max-width: 100%; 
}

p {
    text-align: justify;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.alpha-nav {
    margin-bottom: 25px;
    padding-bottom: 10px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.alpha-nav a, .alpha-nav span {
    display: inline-block;
    padding-top: 6px;
    background: #466e8c;
    color: #fff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    text-align: center;
    height: 31px;
    width: 37px;
}

.alpha-nav span {
    background: #ccc;
    cursor: not-allowed;
}

.alpha-nav a:hover {
    background: #005177;
}

.letter-section {
    margin-bottom: 30px;
}

.letter-section h2 {
    border-bottom: 1px solid #ddd;
    color: #466e8c;
    padding-bottom: 5px;
    text-align: left;
}

.letter-section ul {
    list-style-type: disc;
    padding-left: 20px;
}

.letter-section li {
    margin-bottom: 8px;
}

.letter-section a {
    color: #333;
    text-decoration: underline;
}

.letter-section a:hover {
    color: #466e8c;
}

.post > *:nth-child(3) {
    display: block;
    font-weight: 700;
    text-align: right;
    font-size: 0.9rem;
}

.back-button {
    color: black;
    text-decoration: none;
}