body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    background-color: #f4f4f9;
}

#main-title {
    color: #b30000;
    text-transform: uppercase;
    border-bottom: 3px solid #000;
    padding-bottom: 10px;
}

.highlight-box {
    background-color: #fff;
    border-left: 5px solid #b30000;
    padding: 15px;
    margin: 20px 0;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.1);
}