img {
    display: block;
    margin-right: auto;
    margin-left: auto;
  }
  
  .asvr {
    position: absolute;
    left: 0;
    right: 0;
    margin-left: auto;
    margin-right: auto;
    /*width: 100px;*/
  }
  
  @media (min-width: 992px) {
    .last-section {
      height: 300px;
    }
  }