.challenge-banner{
    background-color: #E7F0FF;
    margin: auto;
    padding: 20px;
    min-height: auto;
    flex-wrap: wrap;
    width: 100%;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 18px;
    width: 100%;
    margin-bottom: 50px;
    text-align: center;
    line-height: 1.5;
  }
  
  @media only screen and (min-width: 1213px){
    .challenge-banner{
      width: 1215px;
      width: 100%;
      margin-bottom: 0px;
    }
  }
  .challenge-error-table {
    margin: auto;
    min-height: auto;
    font-size: 17px;
    margin-top: 20px;
    margin-bottom: 20px;
    width: 90%;
  }  
  .challenge-result-table {
    margin: auto;
    min-height: auto;
    font-size: 17px;
    margin-top: 20px;
    margin-bottom: 20px;
    width: 100%;
  }  
  #lesson-main img {
  border: 0px;
  }