body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #fff;
    padding: 1rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid #eee;
}

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

nav ul li {
    display: inline;
    margin-right: 10px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    padding-bottom: 3px;
}

nav ul li a.active {
    border-bottom: 2px solid #333;
}

h1, h2, h3 {
    color: #000;
}

.profile-picture {
    max-width: 200px;
    border-radius: 50%;
    margin-bottom: 1rem;
}

footer {
    margin-top: 2rem;
    text-align: center;
    font-size: 0.8rem;
    color: #777;
}

/* Form styles */
form {
    margin-top: 1rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
}

input[type="text"],
textarea {
    width: 100%;
    padding: 0.5rem;
    margin-bottom: 1rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

textarea {
    height: 150px;
}

button {
    background-color: #333;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
}

button:hover {
    background-color: #555;
}

/* Blog post styles */
article {
    margin-bottom: 2rem;
    border-bottom: 1px solid #eee;
    padding-bottom: 1rem;
}

article:last-child {
    border-bottom: none;
}