/* ================================= 
  Base Element Styles
==================================== */
* {
	box-sizing: border-box;
}
body {
  background:     
    linear-gradient(
      /* hexadecimal color #333333 has RGB values of R:51, G:51, B:51 */
      /* rgba(51, 51, 51, 0.5),
      rgba(51, 51, 51, 0.5) */
      rgba(0, 0, 0, 0.5),
      rgba(0, 0, 0, 0.5)
    ),
    url('../images/airplane.png');
  background-size: cover;
}
p.subtitle-padding {
  padding-bottom: 350px;
}
.main-content {
  flex: 1;
}
/* ================================= 
  Media Queries - iPhone 4
  Media (Video Clips) Styling
==================================== */
@media (min-width: 320px) and (max-width: 480px) {
  .main-content {
    padding: 20px 0 0 0;
  }
}
/* ================================= 
  Media Queries - iPad
  Media (Video Clips) Styling
==================================== */
@media (min-width: 768px) and (max-width: 1024px) {
  .main-content {
    padding: 20px 0 0 0;
  }
}
/* ================================= 
  Media Queries - iPad Pro
  Media (Video Clips) Styling
==================================== */
@media (min-width: 1024px) and (max-width: 1366px) {
  .main-content {
    padding: 20px 0 0 0;
  }
}