{% for timer in timers %}
    <div class="card border-success text-center mb-2">
        <div class="card-header text-white bg-success ">{{ timer.name }}</div>
        <div class="card-body text-success">
            <h4 class="card-text">{{ timer.duration }}</h4>
        </div>
        <div class="card-footer text-muted small">
            Started {{ timer.start }}
        </div>
    </div>
{% endfor %}