<div v-for="element in groups" class="left-container">
        <h2>{{element.title}}</h2>
        <draggable style="width: 200px ; height: 200px; border: 1px solid black"  v-model="list3" class="dropArena">
            <div  style="font-size: medium" v-for="element in list3">{{element.name}}</div>
        </draggable>
    </div>