hero.css

body {
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
}
.header-image {
  background-image: linear-gradient(rgba(0, 0, 0, 0.49),rgba(0, 0, 0, 0.89)),url('https://images.unsplash.com/1/iphone-4-closeup.jpg?dpr=1&auto=format&crop=middle&fit=crop&w=2000&h=700&q=80');
}
.is-outlined {
  background-color:transparent;
  color:#fff;
}
.hero-cta {
  padding: 30px 0;
}
.panel-block.section p {
  font-size: 17px;
  line-height: 1.4;
  color:#95A5A6;
}
.section.main {
  background-color:#F0F0F0;
}
.icon-block {
  font-size:5em;
}