.promo-block:nth-of-type(odd) {
  background: #A4DDDE;
}
.promo-block:nth-of-type(odd) .underline {
  border-bottom-color: #FFFFFF;
}
.promo-block:nth-of-type(even) {
  background: #FFFFFF;
}
.promo-block .underline {
  border-bottom: 1px solid #ccc;
}
.center {
  margin: 0 auto;
}
.person {
  max-width: 580px;
  text-align: center;
}
.circular {
  width: 300px;
  height: 300px;
  border-radius: 150px;
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
}
.circular img {
  opacity: 0;
  filter: alpha(opacity=0);
}
.call-to-action {
  font-size: 1.1em;
}
.call-to-action h2 {
  font-size: 2.5em;
}
.call-to-action img {
  margin: -3em 0;
}
@media (min-width: 60em) and (max-width: 95em) {
  .call-to-action img {
    margin: 0;
  }
  .circular {
    width: 150px;
    height: 150px;
  }
}
@media (max-width: 60em) {
  .circular {
    width: 150px;
    height: 150px;
  }
}