<div class="masonry">
  <div class="grid">
    <img src="https://source.unsplash.com/random/1">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/2">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/3">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/4">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/5">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/6">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/7">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/8">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/9">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/10">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/11">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
  <div class="grid">
    <img src="https://source.unsplash.com/random/12">
    <div class="grid__body">
      <div class="relative">
        <a class="grid__link" target="_blank" href="/" ></a>
        <h1 class="grid__title">Title 1</h1>
        <p class="grid__author">Mario Rossi</p>
      </div>
      <div class="mt-auto" >
        <span class="grid__tag">#tag1</span>
      </div>
    </div>
  </div>
</div>
.masonry {
  columns: 4;
  column-gap: 16px;
  @media (max-width: 1200px) {
    columns: 3;
  }
  @media (max-width: 992px) {
    columns: 2;
  }
  //@media (max-width: 768px) {columns: 1;}
  .grid {
    display: inline-block;
    margin-bottom: 16px;
    position: relative;
    &:before {
      border-radius: 5px;
      content:'';
      position:absolute;
      top:0;
      right:0;
      bottom:0;
      left:0;
      background-color:rgba(0,0,0,.2);
    }
    img {
      width: 100%;
      border-radius: 5px;
    }
    &__title {
      font-size: 28px;
      font-weight:bold;
      margin: 0px 0px 10px 0px;
    }
    &__author {
      font-size: 14px;
      font-weight:300;
    }
    &__link {
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
    }
    &__body {
      position: absolute;
      left: 0;
      right: 0;
      top: 0;
      bottom: 0;
      padding: 30px 30px;
      color: #fff;
      display: flex;
      flex-direction: column
    }
    &__tag {
      background-color:rgba(255,255,255,.8);
      color: #333;
      border-radius:5px;
      padding: 5px 15px;
      margin-bottom: 5px;
    }
  }
}
.mt-auto {
  margin-top:auto;
}

External CSS

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