body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: url('https://source.unsplash.com/1600x900/?space,stars') no-repeat center center fixed;
    background-size: cover;
    color: #ffffff;
}

header {
    background: rgba(0, 0, 0, 0.7);
    text-align: center;
    padding: 1em;
}

header h1 {
    margin: 0;
    font-size: 2.5em;
}

nav a {
    color: #00d4ff;
    margin: 0 1em;
    text-decoration: none;
    font-weight: bold;
}

nav a:hover {
    text-decoration: underline;
}

.container {
    max-width: 800px;
    margin: 2em auto;
    padding: 1em;
    background: rgba(0, 0, 0, 0.6);
    border-radius: 10px;
}

.featured-post, .blog-post {
    margin-bottom: 2em;
}

h2, h3 {
    color: #00d4ff;
}

.youtube-video {
    text-align: center;
    margin: 2em 0;
}

iframe {
    max-width: 100%;
}

footer {
    background: rgba(0, 0, 0, 0.7);
    text-align: center;
    padding: 1em;
}

footer a {
    color: #00d4ff;
}