.content-categories {
    background-color: #fff;
    padding: 30px 15px 10px 15px;
  }
  .content-categories .category-item {
    margin-bottom: 20px;
  }
  .content-categories .category-item a {
    display: block;
  }
  .content-categories .category-item a img {
    width: 280px;
    height: 150px;
  }
  .content-categories .category-item .post-detail h4 a {
    color: #000;
  }
  .content-categories .category-item .post-detail h4 a:hover {
    text-decoration: none;
    color: #0065ca;
  }
  .content-categories .category-item .post-detail .desc p {
    margin-top: 15px;
    font-size: 16px;
  }

  @media (max-width: 576px) {
    .wp-content {
        margin-top: 15px;
    }
    .content-categories {
        background: rgb(243, 243, 243);
    padding-bottom: 0px;
    padding-top: 20px
    }
    .content-categories .category-item {
        background: #fff;
      -webkit-box-shadow: 0 0 4px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.1);
      box-shadow: 0 0 4px rgba(0, 0, 0, 0.1), 0 4px 8px rgba(0, 0, 0, 0.1);
      padding: 10px;
    }
    .content-categories .category-item a img {
        width: 100%;
          height: 155px;
    }
    .content-categories .category-item .post-detail h4 {
        font-size: 20px;
          margin-bottom: 0px;
          margin-top: 5px;
    }
    .content-categories .category-item .post-detail .desc p {
        margin-top: 0px;
            font-size: 16px;
            margin-bottom: 0px; 
    }

  }