<div class="grid">
  <div class="item" style="order: 1">
    <button aria-haspopup="true" aria-expanded="false">
      <img src="https://www.stevensegallery.com/500/500" width="500" alt="Steven Segall" />
    </button>
  </div>
  <div class="item" style="order: 2">
    <button class="active" aria-haspopup="true" aria-expanded="true">
      <img src="https://www.placecage.com/500/500" width="500" alt="Nicolas Cage" />
    </button>
    <div class="arrow-up"></div>
  </div>
  <div class="dropdown" style="order: 4" aria-hidden="false">
    <h2>Nicolas Cage</h2>
    <p>
      Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
    </p>
    <a href="https://en.wikipedia.org/wiki/Nicolas_Cage" title="Learn more about Nicolas Cage" target="_blank">Learn More</a>
  </div>
  <div class="item" style="order: 3">
    <button aria-haspopup="true" aria-expanded="false">
      <img src="https://www.fillmurray.com/500/500" width="500" alt="Bill Murray" />
    </button>
  </div>
  <div class="item" style="order: 5">
    <button aria-haspopup="true" aria-expanded="false">
      <img src="https://www.stevensegallery.com/500/500" width="500" alt="Steven Segall" />
    </button>
  </div>
  <div class="item" style="order: 6">
    <button aria-haspopup="true" aria-expanded="false">
      <img src="https://www.placecage.com/500/500" width="500" alt="Nicolas Cage" />
    </button>
  </div>
  <div class="item" style="order: 7">
    <button aria-haspopup="true" aria-expanded="false">
      <img src="https://www.fillmurray.com/500/500" width="500" alt="Bill Murray" />
    </button>
  </div>
</div>

html, body {
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  font-family: sans-serif;
}

*, *:after, *:before {
  box-sizing: border-box;
}

.grid {
  display: grid;
  grid-gap: 20px; 
  grid-template-columns: repeat(3, 1fr);
}

.item {
  position: relative;
  padding: 10px;
  
  button {
    width: 100%;
    border: 0;
    padding: 0;
    border: 3px solid transparent;
    
    &:hover {
      opacity: 0.9;
      border-color: red;
    }
    
    &.active {
      border-color: red;  
    }
    
    &:focus {
      outline: 3px solid blue;
    }
  }
  img {
    width: 100%;
  }
}

.dropdown {
  grid-column-start: 1;
  grid-column-end: 4;
  background-color: #333;
  color: white;
  padding: 30px;
  
  a {
    color: orange;
    font-weight: 800;
    text-decoration: none;
    text-transform: uppercase;
    
    &:hover {
      text-decoration: underline;
    }
  }
}

.arrow-up:after {
  position: absolute;
  content: ' ';
  width: 0; 
  height: 0; 
  left: 50%;
  bottom: -20px;
  margin-left: -20px;
  border-left: 20px solid transparent;
  border-right: 20px solid transparent;
  border-bottom: 20px solid #333;
}