app_vue2/components/Layout/BannerTop.vue

<template>
  <v-row justify="center" align="center" class="bannerTopForm">
    <v-col cols="3" class="ot_dark_grey ot_white--text">
      <slot name="bloc1"></slot>
    </v-col>
    <v-col cols="6" class="ot_white ot_grey--text">
      <slot name="bloc2"></slot>
    </v-col>
    <v-col cols="3" class="ot_light_grey ot_grey--text">
      <slot name="bloc3"></slot>
    </v-col>
  </v-row>
</template>

<style scoped>
  .bannerTopForm{
    min-height: 100px;
    margin-top: 10px !important;
    margin-bottom: 10px !important;
  }
  .bannerTopForm > .col{
    min-height: 100px;
    padding: 10px;
    padding-left: 24px;
  }
</style>