body {
  margin-left: 5%; margin-right: 5%;
  color: black; background: white;
  font-family: Sans-Serif;
}
@media only screen and (max-device-width: 480px) {      
        body { -webkit-text-size-adjust:150% }               
}
p {margin-left: 1%; margin-right: 1%;}
table {margin-left: 1%; margin-right: 1%;}
div.centered {text-align: center}