body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px 20px;
    text-align: left;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    color: #555;
    text-decoration: none;
    padding: 8px 12px;
    border: 1px solid #000;
    border-radius: 5px;
}

nav ul li a:hover {
    background-color: #333;
    color: #fff;
}

nav ul li:first-child a {
    margin-left: 0;
}

nav ul li:nth-child(3) a {
    margin-left: 0;
}

main {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

h2 {
    border-bottom: 1px solid #333;
    padding-bottom: 10px;
}

.votos {
    margin-top: 10px;
}

.comentarios {
    margin-top: 20px;
}

footer {
    margin-top: 20px;
}