my html

<nav>
    <a href="index.html">
        <img class="menu_button" src="images/home_button.jpg" width="233" height="50" alt="home button">
    </a>
    <a href="overview.html">
        <img class="menu_button" src="images/overview_button.jpg" width="233" height="50" alt="overview button">
    </a>
    <a href="tools.html">
        <img class="menu_button" src="images/tools_button.jpg" width="233" height="50" alt="tools button">
    </a>
    <a href="tutorials.html">
        <img class="menu_button" src="images/tutorials_button.jpg" width="233" height="50" alt="tutorials button">
    </a>
</nav>