body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

header {
    background-color: #333;
    color: #fff;
    padding: 10px 0;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    display: block;
    align-items: center;
}

nav ul li a i {
    margin-right: 8px;
}

main {
    padding: 20px 0;
}

main .intro, main .about, main .events, main .upload-content, main .display-content {
    background-color: #fff;
    margin-bottom: 20px;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
    position: fixed;
    bottom: 0;
    width: 100%;
}

@media (max-width: 600px) {
    header .container {
        flex-direction: column;
    }
    nav ul {
        flex-direction: column;
    }
    nav ul li {
        margin-left: 0;
        margin-top: 10px;
    }
    .container {
        width: 100%;
        margin: 10px auto;
        padding: 10px;
    }
}