h1 {
  text-align: center;
  color: green;
  text-transform: uppercase;
}


.geral {
  
  width: 500px;
  padding: 25px;
  background: #e6e6e6;
  margin: 0 auto;
  
  }
  .referencia {
   text-align: right;
   font-style: italic;
    }
  
  span {
    color: blue;
    }
  .geral div {
      border-left: 5px solid blue;
    padding-left: 20px;
  }