body {
    background-color: #232828;
    font-family: Arial, sans-serif;
    font-size: 1.2em;
    color: #b8c4c4;
}

header,
main,
nav {
    max-width: 1000px;
    margin: 0 auto;
}

nav {
    text-align: center;
    padding: 30px 0 40px;
}

nav a {
    text-decoration: none;
    margin: 0 20px;
    color: #8a9a9a;
    font-size: 1.6em;
    font-weight: 500;
}

a:hover {
    color: #ffffff;
    text-decoration: underline;
}

p {
    margin: 10px 20px;
    font-size: 1.2em;
}

h2 {
    text-align: center;
    color: #9aabab;
}

h3 {
    margin: 16px 20px;
    color: #9aabab;
}

h4 {
    text-align: center;
    font-size: 1.2em;
    margin: 16px 20px;
    color: #008080;
}

ul, ol {
    margin: 20px 20px;
    font-size: 1.2em;
    font-weight: 700;
}

.text_a {
    color: #a8c4c4;
    text-decoration: none;
    font-style: italic;
}

.page {
    display: none;
}

.page:target {
    display: block;
}

#about {
    display: block;
}

.page:target~#about {
    display: none;
}

#gallery{
    text-align: center;
}


.site-footer {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 0 1rem 0;
    border-top: 1px solid #3a4040;  /* линия сверху */
    text-align: center;
    font-size: 0.8rem;
    color: #8a9a9a;
}

.footer-content p {
    margin: 0.5rem 0;
}
.classt{
    text-align: center;
}