.k {
    z-index: 1;
    position: relative;
    font-size: inherit;
    font-family: inherit;
    color: white;
    padding: 0.5em 1em;
    outline: none;
    border: none;
    background-color: hsl(236, 32%, 26%);
    overflow: hidden;
    transition: color 0.4s ease-in-out;
  }
  
  .k::before {
    content: '';
    z-index: -1;
    position: absolute;
    top: 100%;
    right: 100%;
    width: 1em;
    height: 1em;
    border-radius: 50%;
    background-color: #3cefff;
    transform-origin: center;
    transform: translate3d(50%, -50%, 0) scale3d(0, 0, 0);
    transition: transform 0.45s ease-in-out;
  }
  
  .k:hover {
    cursor: pointer;
    color: #161616;
  }
  
  .k:hover::before {
    transform: translate3d(50%, -50%, 0) scale3d(15, 15, 15);
  }
  
  
  
  /****************/
  .bb{
      width: 90vw;
      margin: 0 auto;
      padding: 10px 0;
  }
  .bb > h2{
      text-align: center;
      padding: 10px 0;
      font-size: 32px;
  }
  .bb > p{
      font-weight: 300;
      padding: 10px 0;
      opacity: 0.7;
      text-align: center;
  }
  .category-head{
     
  }
  .category-head ul{
      list-style-type: none;
      display: flex;
      flex-wrap: wrap;
      justify-content: flex-start;
  }
  .category-title{
      flex: 0 0 calc(16.6667% - 10px);
      display: flex;
      justify-content:center;
      background: #00394f;
      padding: 9px;
      color: #fff;
      margin: 5px;
      cursor: pointer;
      transition: all 0.4s ease;
  }
  .category-title:hover{
      opacity: 0.7;
  }
  .category-title li{
      padding: 0 10px;
  }
  .category-title span{
      color: #222;
  }
  
  /** single post **/
  .posts-bb{
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      grid-gap: 10px;
  }
  .posts-bb > div{
      box-shadow: 0px 8px 22px -12px rgba(0, 0, 0, 0.64);
  }
  .post-img{
      position: relative;
      width:200px;
      height: 200px;
     
      margin: auto;
  }
  .category-name{
      position: absolute;
      top: 2px;
      left: 2px;
      text-transform: uppercase;
      font-size: 13px;
      color: #fff;
  
      border-radius: 2px;
  }
  .business .category-name{
      background: #00a7ea;
  }
  .culture .category-name{
      background: #f03250;
  }
  .politics .category-name{
      background: #f0544f;
  }
  .finance .category-name{
      background: #2c2a4a;
  }
  .sports .category-name{
      background: #a1e44d;
  }
  
  
  .post-content{
      padding: 8px;
  }
  .post-content-top{
      background: #80ced7;
      color: #fff;
      opacity: 0.8;
      padding: 5px 0 5px 15px;
  }
  .post-content-top span{
      padding-right: 20px;
  }
  .post-content-top .fa-comment, .post-content-top .fa-calendar{
      padding-right: 5px;
  }
  .post-content h2{
      font-size: 20px;
  
      font-weight: 400;
  }
  .post-content p{
      opacity: 0.7;
      font-size: 12px;
      line-height: 1.2;
      text-align: justify;
  }
  
  
  
  
  
  /***************/
  @media(max-width: 1170px){
      .posts-bb{
          grid-template-columns: repeat(2, 1fr);
      }
     
     
  }
  @media(max-width: 768px){
     
      .posts-bb{
          display: grid;
          grid-template-columns: repeat(2, 1fr);
    
      }
     
      
  }
  
  
  /***********/