body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    color: #ffffff;
    background-size: cover;
    position: relative;
}

body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgb(0,0,0,0.6);
    z-index: -1;
    backdrop-filter: blur(2px);
}

header {
    background-color: rgb(0,0,0,0.85);
    color: white;
    text-align: center;
    padding: 1rem 0;
}

h1 {
    color: white;
}

nav {
    background-color: rgb(0,0,0,0.85);
    padding: 0;
}

nav ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
    text-align: center;
}

nav ul li {
    display: inline-block;
    padding: 1rem;
    position: relative;
}

nav ul li a {
    text-decoration: none;
    color: white;
    padding: 12px 20px;
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}

nav ul li a:hover {
    color: darkgoldenrod;
    background-color: rgb(255, 215, 0, 0.1);
}

main {
    padding: 40px 20px;
    display: flex;
    justify-content: center;
}

.container {
    max-width: 800px;
    width: 100%;
    margin: 0 auto;
}

.about-section {
    padding: 20px;
    border-radius: 10px;
    background-color: rgb(0,0,0,0.5);
    color: aliceblue;
}

footer {
    background-color: rgb(0,0,0,0.85);
    color: white;
    text-align: center;
    padding: 1rem;
    position: fixed;
    width: 100%;
    bottom: 0;
}

a:link,
a:visited {
    color: white;
    text-decoration: none;
}

a:hover {
    color: darkgoldenrod;
}

@media (max-width: 768px) {
    nav ul li {
        display: block;
        padding: 0.5rem 0;
    }

    main {
        padding: 20px;
    }
}