How can I make my list items appear horizontally in a row using CSS?

#div_top_hypers {
    background-color:#eeeeee;
    display:inline;      
}
#ul_top_hypers {
    display: inline;
}
<div id="div_top_hypers">
    <ul id="ul_top_hypers">
        <li>&#8227; <a href="" class="a_top_hypers"> Inbox</a></li>
        <li>&#8227; <a href="" class="a_top_hypers"> Compose</a></li>
        <li>&#8227; <a href="" class="a_top_hypers"> Reports</a></li>
        <li>&#8227; <a href="" class="a_top_hypers"> Preferences</a></li>
        <li>&#8227; <a href="" class="a_top_hypers"> logout</a></li>
    </ul>
</div>

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