l-default">
      <div class="panel-body">
        <div v-show="selected == 0" class="x-horizontal-tabber-slot" transition>
          <slot name="0"></slot>
        </div>
        <div v-show="selected == 1" class="x-horizontal-tabber-slot" transition>
          <slot name="1"></slot>
        </div>
        <div v-show="selected == 2" class="x-horizontal-tabber-slot" transition>
          <slot name="2"></slot>
        </div>
        <div v-show="selected == 3" class="x-horizontal-tabber-slot" transition>
 