body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f5f5;
    color: #333;
}

header {
    background-color: #005f99;
    color: #fff;
    padding: 1em 0;
    text-align: center;
}

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

nav ul {
    list-style: none;
    padding: 0;
    display: flex;
    justify-content: center;
}

nav li {
    margin: 0 1em;
}

nav a {
    color: #fff;
    text-decoration: none;
    font-size: 1.2em;
}

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

section {
    padding: 2em;
    margin: 1em auto;
    max-width: 800px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

section h2 {
    color: #005f99;
    font-size: 2em;
    margin-bottom: 0.5em;
}

.project {
    border-left: 5px solid #ffcc00;
    padding-left: 1em;
    margin-bottom: 1.5em;
}

.project h3 {
    margin: 0;
    color: #005f99;
}

footer {
    background-color: #005f99;
    color: #fff;
    text-align: center;
    padding: 1em 0;
    position: fixed;
    width: 100%;
    bottom: 0;
}