html, body {
  height: 100%;
  width: 100%;
  position: relative;
}

html {
  font-size: 12px;
}

span.symbolat {
  display: inline-block;
  width: 12px;
  height: 12px;
  background: url(../images/symbolat.gif) no-repeat;
}

@media (max-width: 575px) {
  #intro-video {
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
  }

  .drone-big {
    display: none !important;
  }
}

@media (min-width: 576px) {
  #intro-video {
    top: 10%;
    position: absolute;
    /*left: 0;
    right: 0;*/
  }
}

@media (min-width: 576px) {
  html {
    font-size: 14px;
  }
}

@media (min-width: 768px) {
  html {
    font-size: 14px;
  }
}

@media (min-width: 992px) {
  html {
    font-size: 16px;
  }
}

@media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
  #navigation img[src$=".svg"],
  #footer img[src$=".svg"] {
    width: 100%;
  }

  #navigation .logo {
    max-width: 110px;
  }

  #logos .ie-4 .logo {
    height: 4rem !important;
  }

  #logos .ie-5 .logo {
    height: 5rem !important;
  }

  #logos .ie-6 .logo {
    height: 6rem !important;
  }

  #logos .ie-7 .logo {
    height: 7rem !important;
  }

  #logos .ie {
    margin-right: 2rem;
    margin-left: 2rem;
  }

  /*#membership .logo {
    max-width: 400px;
  }*/
}

#navigation .navbar-brand > a ~ a {
  margin-left: 1em;
}

body {
  scroll-behavior: smooth;
  font-family: 'Open Sans', 'Helvetica', sans-serif !important;
  font-weight: 100;
  font-style: normal;
  font-variant: normal;
  font-size: 80%;
}

body > header {
  z-index: 10;
}

main#main {
  display: initial;
  position: relative;
  width: 100%;
  height: 100%;
}

section {
  position: relative;
  min-height:100%;
  padding-top: 56px;
  overflow: hidden;
}

div.section {
  position: relative;
  min-height:100%;
  padding-top: 56px;
}

.researchers .card-body h3 {color: #007bff;}

#loader-wrapper.no-js { display: none; }
#loader-wrapper {
	position: fixed;
	left: 0px;
	top: 0px;
	width: 100%;
	height: 100%;
	z-index: 9999;
	background-color: #fff;
}

section#loader {
  top: 0;
  position: fixed;
  background-color: #fff;
  z-index: 1000;
  height: 100%;
  width: 100%;
  padding-top: 56px;
  overflow: hidden;
}

footer {
  color: #fff;
  overflow: auto;
}

/* Background Utility */

.bg-black {
  background-color: #000;
}

.bg-black-70 {
  background-color: rgba(0, 0, 0, 0.7) !important;
}

.bg-teal {
  background-color: #1e9fb4;
}

.bg-white {
  background-color: #fff;
}

.bg-light-blue {
  background-color: rgba(153, 188, 255, 0.2);
}

.bg-light-green {
  background-color: rgba(163, 255, 192, 0.2);
}

.bg-light-pink {
  background-color: rgba(255, 145, 187, 0.2);
}

.bg-light-purple {
  background-color: rgba(213, 163, 255, 0.2);
}

.bg-light-yellow {
  background-color: rgba(255, 247, 0, 0.2);
}

/* Background Utility END */

/* Backgrounds */

.bg-ambulance {
  background-image: url('../../assets/images/backgrounds/afa2_desert_iso.png');
  background-size: cover;
  background-position: center top;
}

.bg-cast-engenious {
  background-image: url('../../assets/images/backgrounds/2018ENGenious-cover.jpg');
  background-size: cover;
  background-position: right bottom;
}

.bg-neural-lander {
  background-image: url('../../assets/images/news/SJChung-Drone_Neural_Lander-1600x810-c100.jpg');
  background-size: cover;
  background-position: center top;
}

.bg-robosimian {
  background-image: url('../../assets/images/moonshots/RoboSimian-driving.jpg');
  background-size: cover;
  background-position: center top;
}
.bg-moonshot-explorers {
  background-image: url('../../assets/images/moonshots/explorers/moonshot-explorers-bg.jpg');
  background-size: cover;
  background-position: center;
}
.bg-moonshot-guardians {
  background-image: url('../../assets/images/moonshots/guardians/moonshot-guardians-bg.jpg');
  background-size: cover;
  background-position: right;
  background-repeat: no-repeat;
}
.fg-moonshot-guardians {
  background-image: url('../../assets/images/moonshots/guardians/smoke.png');
  background-size: cover;
  background-position: center;
  position: bottom;
}
.bg-moonshot-transporters {
  background-image: url('../../assets/images/moonshots/transporters/moonshot-transporters-bg.jpg');
  background-size: cover;
  background-position: center;
}
.bg-moonshot-transformers {
  background-image: url('../../assets/images/moonshots/transformers/moonshot-transformers-bg.jpg');
  background-size: cover;
  background-position: center;
}
.bg-moonshot-partners {
  background-image: url('../../assets/images/moonshots/partners/moonshot-partners-bg.jpg');
  background-size: cover;
  background-position: center;
}
.fg-moonshot-partners {
  background-image: url('../../assets/images/moonshots/partners/moonshot-partners-fg.png');
  background-size: cover;
  background-position: bottom right;
  height: 100%;
  width: 100%;
}
.bg-facilities-flight-arena {
  background-image: url('../../assets/images/facilities/CAST-rendering-flight-arena.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-facilities-flight-arena-2 {
  background-image: url('../../assets/images/facilities/CAST-rendering-flight-arena-02.png');
  background-size: cover;
  background-position: center;
}
.bg-facilities-arc-flight-lab {
  background-image: url('../../assets/images/facilities/ARC-spacecraft-flight-lab.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-facilities-arc-flight-lab-2 {
  background-image: url('../../assets/images/facilities/ARC-JPL_TECHNOLOGY_HIGHLIGHTS-CAST_009_2500x1875.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-facilities-research-laboratory {
  background-image: url('../../assets/images/facilities/CAST-rendering-research-laboratory.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-facilities-research-laboratory-02 {
  background-image: url('../../assets/images/facilities/AMBER-lab.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.bg-squid {
  background-image: url('../../assets/images/backgrounds/squid_launch_sequence_1920x1080.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-atlas {
  background-image: url('../../assets/images/backgrounds/atlas_heavylift_1920x1080.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

/* Background END */

/* Forground Drones */

.chung-drone-big {
  position: absolute;
  width: 350px;
  height: 205px;
  bottom: 10%;
  background-image: url('../../assets/images/facilities/soon-jo-chung-drone.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.chung-drone-medium {
  position: absolute;
  width: 200px;
  height: 117px;
  right: 0%;
  top: 30%;
  background-image: url('../../assets/images/facilities/soon-jo-chung-drone.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.chung-drone-small {
  position: absolute;
  width: 75px;
  height: 44px;
  top: 50%;
  right: 50%;
  background-image: url('../../assets/images/facilities/soon-jo-chung-drone.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.drone-big {
  position: absolute;
  width: 326px;
  height: 155px;
  bottom: -60%;
  background-image: url('../../assets/images/moonshots/explorers/drone.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.drone-medium {
  position: absolute;
  width: 250px;
  height: 119px;
  right: 0%;
  bottom: 0%;
  background-image: url('../../assets/images/moonshots/explorers/drone.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.drone-small {
  position: absolute;
  width: 100px;
  height: 48px;
  right: 30%;
  bottom: 10%;
  background-image: url('../../assets/images/moonshots/explorers/drone.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.drone-legs {
  position: absolute;
  width: 278px;
  height: 479px;
  right: 25%;
  bottom: 0%;
  background-image: url('../../assets/images/moonshots/explorers/legs.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.hover-craft-big {
  position: absolute;
  width: 300px;
  height: 118px;
  right: 20%;
  bottom: -20%;
  background-image: url('../../assets/images/moonshots/transporters/hover-craft-1.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.hover-craft-medium {
  position: absolute;
  width: 250px;
  height: 53px;
  right: 30%;
  bottom: -20%;
  background-image: url('../../assets/images/moonshots/transporters/hover-craft-2.png');
  background-size: contain;
  background-repeat: no-repeat;
}
.hover-craft-small {
  position: absolute;
  width: 175px;
  height: 37px;
  right: 10%;
  bottom: -10%;
  background-image: url('../../assets/images/moonshots/transporters/hover-craft-2.png');
  background-size: contain;
  background-repeat: no-repeat;
  opacity: .7;
}
.satellites {
  position: absolute;
  width: 867px;
  height: 664px;
  left: 5%;
  bottom: -45%;
  background-image: url('../../assets/images/moonshots/transformers/satellites.png');
  background-size: contain;
  background-repeat: no-repeat;
}

.gharib-pic {
  width: 175px;
  height: 175px;
  overflow: none;
  background-image: url('../../assets/images/headshots/gharib.jpg');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

/* Forground Drones END */

#about .logos-sponsors {
  position: absolute;
  bottom: 0;
  width: 100%;
  left: 0;
  right: 0;
  margin: 0 auto 5rem;
}

#about #spotlight {
  position: absolute;
  top: 0;
  z-index: 5;
  pointer-events: none;
  height: inherit;
}

#about #spotlight > div {
  pointer-events: none;
}

#about #spotlight #spotlight-body {
  margin-top: 4rem;
  pointer-events: all;
}

#about #spotlight .media {
  margin-bottom: 1rem;
}
#about #spotlight .media:last-child {
  margin-bottom: 0rem;
}

.fullscreen {
  height: 100%;
  width: 100%;
  position: absolute;
  top: 0;
}

#logos .logo{
  color: #fff;
  height: 3rem;
  margin: 0 1rem 1rem;
  fill: currentColor;
}

/*#membership .logo {
  max-height: 150px;
}*/

#navigation .logo {
  color: #fff;
  /*height: 3rem;*/
  fill: currentColor;
}

#navigation {
  z-index: 100;
  font-weight: 400;
  text-transform: uppercase;
}

#navbarToggler .nav-item a.nav-link {
  position: relative;
}
#navbarToggler .nav-item a.nav-link::after {
  content: "";
  border-bottom: 5px solid;
  position: absolute;
  left: 0;
  bottom: -8px;
  width: 100%;
  border-color: transparent;
}

#navbarToggler .nav-item.active.border-blue a.nav-link::after,
#navbarToggler .nav-item.border-blue:hover a.nav-link::after,
#navbarToggler .nav-item.border-blue a.active.nav-link::after {
  border-color: #0564ff; /*rgb(5, 100, 255);*/
}

#navbarToggler .nav-item.active.border-green a.nav-link::after,
#navbarToggler .nav-item.border-green:hover a.nav-link::after,
#navbarToggler .nav-item.border-green a.active.nav-link::after {
  border-color: #00cc2c; /*rgb(0, 204, 44);*/
}

#navbarToggler .nav-item.active.border-orange a.nav-link::after,
#navbarToggler .nav-item.border-orange:hover a.nav-link::after,
#navbarToggler .nav-item.border-orange a.active.nav-link::after {
  border-color: #ff9c32; /*rgb(255, 156, 50);*/
}

#navbarToggler .nav-item.active.border-pink a.nav-link::after,
#navbarToggler .nav-item.border-pink:hover a.nav-link::after,
#navbarToggler .nav-item.border-pink a.active.nav-link::after {
  border-color: #ff31a6; /*rgb(255, 49, 166);*/
}

#navbarToggler .nav-item.active.border-purple a.nav-link::after,
#navbarToggler .nav-item.border-purple:hover a.nav-link::after,
#navbarToggler .nav-item.border-purple a.active.nav-link::after {
  border-color: #7d00cc; /*rgb(125, 0, 204);*/
}

#navbarToggler .nav-item.active.border-red a.nav-link::after,
#navbarToggler .nav-item.border-red:hover a.nav-link::after,
#navbarToggler .nav-item.border-red a.active.nav-link::after {
  border-color: #cc0000; /*rgb(204, 0, 0);*/
}

#navbarToggler .nav-item.active.border-yellow a.nav-link::after,
#navbarToggler .nav-item.border-yellow:hover a.nav-link::after,
#navbarToggler .nav-item.border-yellow a.active.nav-link::after {
  border-color: #fff700; /*rgb(255, 247, 0);*/
}

.no-profile-image {
  width: 200px;
}

.mt-56 {
  margin-top: 56px;
}

#mission {
  /*position: absolute;
  bottom: 10%;
  left: 50%;
  transform: translate(-50%, 0);*/
}

#research .blockquote-footer {
  overflow: hidden;
}

#participating-facilities {
  overflow: auto;
}

#people .col a {
  color: #212529;
}

#people .col a:hover {
  text-decoration: none;
}

/* VIDEO BACKGROUND */
.video-background {
  /*position: fixed;*/
  top: 0; right: 0; bottom: 0; left: 0;
  /*z-index: -99;*/
}
.video-foreground,
.video-background iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: auto;
}
@media (min-aspect-ratio: 16/9) {
  .video-foreground { height: 300%; top: -100%; }
}
@media (max-aspect-ratio: 16/9) {
  .video-foreground { width: 300%; left: -100%; }
}

/* Carousel */
.carousel-item.image{
  height:100vh;
  background-size:cover !important;
  background-position:center !important;
}

.carousel-item.video-background {
  top: 0; right: 0; bottom: 0; left: 0;
}