JSFiddle - React, Tailwind, and code Playground

HTML

<script src='https://unpkg.com/vue'></script>
<div id='demo'>
  <transition name="fade">
    <span v-if="desc" class='single-image-span'>Your Desc</span>
  </transition>
  <div @mouseover="desc=!desc" @mouseout="desc=!desc">
    <div class="single-image image" oncontextmenu="return false" onmousedown="return false">
      <img src="https://vuejs.org/images/logo.png" alt="" />
    </div>
    <p class="image-title" ></p>
    <p>Img Cat</p>
  </div>
</div>

CSS

.image-title {
  font-size: 2em;
  font-weight: 300;
}

.single-image img {
  width: 300px;
}

.single-image img {
  background: rgba(55, 55, 55, 0.5);
  opacity: 1;
  transition: opacity 0.5s ease-in-out;
  position: relative;
}

.single-image:hover {
  opacity: .5;
}

.single-image-span {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  color: white;
  background: rgb(0, 0, 0);
  background: rgba(55, 55, 55, 0.5);
  padding: .1em
}

.fade-enter-active,
.fade-leave-active {
  transition: opacity 10s
}

.fade-enter,
.fade-leave-to
/* .fade-leave-active in <2.1.8 */

{
  opacity: 0
}

JavaScript

new Vue({
  el: '#demo',
  data: {
    desc: false,
    isImageModalActive: false,
    test: ''
  },
  mounted() {},
  methods: {
  }
})