/* Стиль 2006 года */
body {
    background: #0066cc url('data:image/gif;base64,R0lGODlhBAAEAIAAAP///5mZmSH5BAAAAAAALAAAAAAEAAQAAAIIhA+hG5jMDCgAOw==') repeat;
    font-family: Verdana, Arial, sans-serif;
    font-size: 12px;
    color: #000;
    margin: 0;
    padding: 20px;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    background: #fff;
    border: 3px solid #ff6600;
    box-shadow: 5px 5px 10px rgba(0,0,0,0.5);
}

.header {
    background: linear-gradient(to bottom, #ffcc00, #ff9900);
    border-bottom: 3px solid #ff6600;
    padding: 20px;
    text-align: center;
}

.header h1 {
    margin: 0;
    color: #cc0000;
    text-shadow: 2px 2px #ffff00;
    font-size: 24px;
}

marquee {
    background: #ffff99;
    padding: 5px;
    border: 1px dashed #ff6600;
    margin-top: 10px;
}

.navigation {
    background: #3366cc;
    padding: 10px;
    text-align: center;
    border-bottom: 2px solid #003399;
}

.navigation a {
    color: #ffff00;
    text-decoration: none;
    font-weight: bold;
    padding: 0 10px;
}

.navigation a:hover {
    color: #fff;
    text-decoration: underline;
}

.content {
    display: flex;
    padding: 20px;
    gap: 20px;
}

.main-content {
    flex: 2;
}

.sidebar {
    flex: 1;
}

h2, h3 {
    color: #cc0000;
    border-bottom: 2px dashed #ff9900;
    padding-bottom: 5px;
}

a {
    color: #0000ff;
    text-decoration: underline;
}

a:visited {
    color: #800080;
}

a:hover {
    color: #ff0000;
}

.box {
    background: #ffffcc;
    border: 2px solid #ff9900;
    padding: 10px;
    margin-bottom: 15px;
}

.box h3 {
    margin-top: 0;
    font-size: 14px;
    border: none;
}

.guestbook {
    background: #f0f0f0;
    border: 2px inset #999;
    padding: 10px;
    margin: 10px 0;
}

.comment {
    background: #fff;
    border-left: 3px solid #3366cc;
    padding: 5px;
    margin: 5px 0;
}

.footer {
    background: #3366cc;
    color: #ffff00;
    text-align: center;
    padding: 15px;
    border-top: 3px solid #003399;
}

.footer p {
    margin: 5px 0;
}

blink {
    animation: blinker 1s linear infinite;
}

@keyframes blinker {
    50% {
        opacity: 0;
    }
}

ul {
    list-style-image: url('data:image/gif;base64,R0lGODlhCAAIAIABAP8AAP///yH5BAEKAAEALAAAAAAIAAgAAAINjAOnyJv2oJOrVXrzKQA7');
}