body
{
    font-family: 'Helvetica', 'Arial', sans-serif;
    color: #FFFFFF;
    font-size: 128pt;
    background-color: #000000;
}

.block {
  text-align: center;
  margin: 20px;
}
 
.block:before {
  content: '';
  display: inline-block;
  height: 100%; 
  vertical-align: middle;
  margin-right: -0.25em; /* Adjusts for spacing */
    
  /* For visualization 
  background: #808080; width: 5px;
  */
 }
 
.centered {
  display: inline-block;
  vertical-align: middle;
  width: 300px;
  padding: 10px 15px;
}