div#about-us{
}

  div#about-us span{
   display: block;
   width: 80%;
   padding: .5em;
   text-align: left;
  }

  div#about-us table{
   margin: auto;
   text-align: center;
  }

    div#about-us table th{
     background-color: #E2EEEE;
     padding-left: .5em;
     padding-right: .5em;
    }

    div#about-us table td{
     background-color: #9EAFC6;
    }