body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    background-color: #f4f4f4;
    color: #333;
    margin: 0;
    padding: 0;
}

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

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 {
    padding: 20px;
    margin: 20px auto;
    max-width: 800px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.click-through-examples .example-card {
    margin-bottom: 20px;
}

.quiz-container {
    margin-top: 20px;
}

.feedback {
    font-weight: bold;
    margin-top: 10px;
}

.outlook-style {
    border: 1px solid #ccc;
    padding: 20px;
    background-color: #f9f9f9;
    max-width: 600px;
    margin: 0 auto;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.outlook-style p {
    margin: 5px 0;
}

.interaction {
    margin-top: 10px;
}