;"></div>
                <div id="main-message">
                    <h1>
                        <span id="heading.msg">Press space/up to play</span>
                    </h1>
                    <h2>
                        Change theme:
                        <select id="themeDino" onChange="changeTheme();">
                            <option value="hurdling">Olympic hurdling</option>
                            <option value="gymnastics">Olympic gymnastics</option>
                         