.demo-container h1 {
    color: #e74c3c;
    text-align: center;
    font-size: 2.2em;
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

.demo-container h2 {
    color: #2980b9;
    border-left: 4px solid #3498db;
    padding-left: 15px;
    font-size: 1.5em;
}

.demo-container p {
    background-color: #ecf0f1;
    padding: 12px;
    border-radius: 5px;
    color: #2c3e50;
    line-height: 1.5;
    margin: 10px 0;
}

.demo-container ul {
    background-color: #f39c12;
    color: white;
    padding: 15px 30px;
    border-radius: 5px;
    font-weight: bold;
}

.demo-container li {
    margin: 8px 0;
    list-style-type: none;
    position: relative;
}

.demo-container li:before {
    content: "✓ ";
    color: #27ae60;
    font-weight: bold;
}