<div class="piece">
    <div class="piece-form">
        <div class="piece-form-header">
            <mat-icon fontIcon="front_hand"></mat-icon>
            <div class="piece-form-header-label">
                <label>Interruption de la tâche</label>
            </div>
        </div>
        <div class="piece-form-textarea">
            <textarea></textarea>
        </div>    
    </div>
</div>