.white-popup {
  position: relative;
  background: #FFF;
  padding: 1em;
  width:auto;
  max-width: 620px;
  margin: 1em auto;
}
h4 {
color: #00559F;
}
#browserok {
    font-family: 'lato';
    font-size: 1.7em;
}