Design mobile first

<span class="badge bg-primary rounded-circle me-3 flex-shrink-0" style="width:28px;height:28px;line-height:20px;text-align:center;"> 4 Adaptation responsive et breakpoints 45 min

<span class="badge bg-primary rounded-circle me-3 flex-shrink-0" style="width:28px;height:28px;line-height:20px;text-align:center;"> 5 Tests sur appareils et accessibilit&#xE9; mobile 35 min