Help me in solving HTML45 problem

My issue

i am not able to understand the question

My code

// your code goes here

Learning course: Learn HTML / CSS
Problem Link: CSS Inline styling Practice Problem in HTML / CSS - CodeChef

My recent trip to Greece

<main>
    <!-- Update <h2> task here -->  
    <h2 style='color: blue; font-size: 16px;'>Overview</h2>
    <h3>
        
        <!-- Update <ol> task here -->  
        <ol style='color: blue; font-size: 16px;'>
            <li>Greece</li>
            <li>Trip Options</li>
            <li>Trip Itinerary</li>
        </ol>
    </h3>
</main>