{{ define "challenges" }}
<div id="challenge-container">
    <h2 class="sidebar-title">Challenges</h2>

    <ul class="challenge-list">
        {{range .Levels}}
        <li class="challenge-item {{if and (eq .Name $.Level.Name) (eq .Difficulty $.Level.Difficulty)}}active{{end}}">
            <div class="challenge-name">{{.Name}}</div>
            <div class="challenge-difficulty {{.Difficulty}}">{{.Difficulty}}</div>
        </li>
        {{end}}
    </ul>
</div>
{{ end }}