.blog-topic {
    background: hsl(218, 23%, 23%);
    color: hsl(211, 25%, 84%);
    font-weight: 600;
    padding: 0.25rem 1rem;
    border-radius: 5px;
    margin-bottom: 1rem;
  }
  
  .blog-topic:hover {
    background: hsl(211, 25%, 84%);
    color: hsl(218, 23%, 23%);
  }

  .topics { margin-bottom: 3rem; }

  .topic-btn {
    display:     flex;
    align-items: stretch;
    background: hsl(218, 23%, 23%);
    border-radius: 10px;
    box-shadow: 0 5px 5px hsla(0, 0%, 0%, 0.05);
    overflow: hidden;
  }

  .topic-btn:not(:last-child) { margin-bottom: 1rem; }

  .topic-btn .icon-box {
    font-size: 22px;
    width: 70px;
    display:         flex;
    justify-content: center;
    align-items:     center;
    background: hsl(216, 15%, 52%);
    color: hsl(211, 25%, 84%);
  }

  .topic-btn:hover .icon-box {
    background: hsl(229, 76%, 66%);
    color: hsl(0, 0%, 100%);
  }

  .topic-btn img {
    width: 40px;
    height: 40px;
  }

  .topic-btn p {
    padding: 15px;
    color: hsl(211, 25%, 84%);
    font-weight: 700;
  }

  .topics {
    padding: 0 15px;
  }