Popup.vue

// from: https://vuejs.org/v2/examples/modal.html

<template>
	<div id="modal-template">
      <transition name="modal">
        <div class="modal-mask">
          <div class="modal-wrapper">
            <div class="modal-container">

              <div class="modal-header">
				<h3>Grid: {{ frameAddr }}: <button class="modal-default-button" v-on:click="$emit('close')">X</button></h3>
              </div>

              <div class="modal-body">
				<gridinfo v-bind:frameAddr="frameAddr" v-bind:gridx="gridx" v-bind:gridy="gridy" />
              </div>
            </div>
          </div>
        </div>
      </transition>
  </div>
</template>

<script>
import gridinfo from './Grid.vue'
export default {
	name: 'modal',
	components: {
		gridinfo
	},
	props: [ 'frameAddr', 'gridx', 'gridy' ],
}
</script>

<style lang="css" scoped>

.modal-mask {
  position: fixed;
  z-index: 9998;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, .5);
  display: table;
  transition: opacity .3s ease;
}

.modal-wrapper {
  display: table-cell;
  vertical-align: middle;
}

.modal-container {
  width: 80%;
  height: 80%;
  margin: 0px auto;
  padding: 20px 30px;
  background-color: #fff;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, .33);
  transition: all .3s ease;
  font-family: Helvetica, Arial, sans-serif;
}

.modal-header h3 {
  margin-top: 0;
  color: #42b983;
}

.modal-body {
  margin: 20px 0;
}

.modal-default-button {
  float: right;
}

/*
 * The following styles are auto-applied to elements with
 * transition="modal" when their visibility is toggled
 * by Vue.js.
 *
 * You can easily play with the modal transition by editing
 * these styles.
 */

.modal-enter {
  opacity: 0;
}

.modal-leave-active {
  opacity: 0;
}

.modal-enter .modal-container,
.modal-leave-active .modal-container {
  -webkit-transform: scale(1.1);
  transform: scale(1.1);
}

</style>