body {
    font-family: 'Open Sans', Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f9f9f9;
    color: #333;
}

.container {
    width: 80%;
    max-width: 960px;
    margin: 0 auto;
}

header {
    background-color: #2c3e50;
    color: #ecf0f1;
    padding: 20px 0;
    text-align: center;
}

.profile-header {
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-header img {
    border-radius: 50%;
    width: 75px;
    height: 75px;
    margin-right: 20px;
}

.profile-header h1 {
    margin: 0;
}

nav ul {
    list-style: none;
    padding: 0;
    background-color: #34495e;
    text-align: center;
    margin: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: #ecf0f1;
    text-decoration: none;
    padding: 10px 20px;
    display: inline-block;
    transition: background-color 0.3s;
}

nav ul li a:hover {
    background-color: #2c3e50;
    border-radius: 5px;
}

main {
    padding: 20px 0;
}

section {
    margin-bottom: 40px;
}

footer {
    background-color: #2c3e50;
    color: #ecf0f1;
    text-align: center;
    padding: 10px 0;
}

.job {
    margin-bottom: 20px;
}

.job h3, .job h4 {
    margin: 0;
    padding: 0;
}

.job p {
    margin: 0 0 10px 0;
}

ul {
    padding-left: 20px;
}

ul li {
    margin-bottom: 10px;
}

@media (max-width: 600px) {
    nav ul li {
        display: block;
        margin: 10px 0;
    }
}