body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

.container {
    width: 80%;
    margin: 0 auto;
    padding: 20px;
}

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

header h1, header nav {
    display: inline-block;
    vertical-align: middle;
}

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

header nav ul li {
    display: inline;
    margin: 0 10px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
}

section {
    margin: 20px 0;
}

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

.portfolio-item {
    margin-bottom: 20px;
}

.portfolio-item img {
    max-width: 100%;
    height: auto;
}

.portfolio-item p {
    text-align: center;
}