.op-research .research{
    margin-bottom: 75px;
  }
  
  .op-research .research .image{
    justify-content: center;
    display: flex;
    margin: 20px auto;
  }
  .op-research h1{
    margin-bottom: 20px;
  }
  
  .op-research .research .text-article{
    margin-bottom: 36px;
  }
    
  .op-research .research .papers{
    margin-left: 28px;
  }
  
  .op-research .research .papers h2{
    margin-bottom: 10px;
  }
  
  .op-research .research .papers .paper{
    margin-bottom: 12px;
    font-size: 13px;
  }
  
  @media (min-width: 992px) { 
  
    .op-research .research .text-article{
      margin-left: 20px;
    }
  
    .op-research .research  .papers{
      margin-left: 48px;
    }
  }