*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: underline;
}



header {
	position: absolute;
	left: 14px;
	top: -7px;
	width: 100%;
	height: 3em;
	padding: 0.5em;
	background-color: #fff;
	z-index: 150;
}
@media (min-width: 48em) {
  header {
    height: 5em;
    padding: 1em;
  }
}
header nav ul {
  list-style-type: none;
  text-align: right;
}
header nav ul li {
  display: inline-block;
  padding: 0.1em;
  font-size: 1em;
  border: 0.1em solid #000;
  margin-right: 0.2em;
  font-family: pfs-bold, sans-serif;
  
  cursor: pointer;
  -webkit-transition: color, background-color 0.4s;
  transition: color, background-color 0.4s;
}
@media (min-width: 48em) {
  header nav ul li {
    font-size: 1.25em;
    padding: 0.2em;
    border: 0.2em solid #000;
    margin-right: 0.5em;
  }
}
header nav ul li.active {
  background-color: #000;
  color: #fff;
}
header nav ul li:hover {
  background-color: #000;
  color: #fff;
}
header nav.in-action ul li {
  opacity: 0.4;
  -webkit-user-select: none;
     -moz-user-select: none;
      -ms-user-select: none;
          user-select: none;
}

section {
  position: absolute;
  top: 3em;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 50;
}
@media (min-width: 48em) {
  section {
    top: 5em;
  }
}
section .content {
	position: absolute;
	top: 3px;
	left: 62px;
	width: 100%;
	height: 100%;
	z-index: 100;
	padding: 2em;
	overflow-y: auto;
	background-color: rgba(255, 255, 255, 0.7);
}
@media (min-width: 48em) {
  section .content {
	width: 869px;
  }
}
section .content .inner {
  display: none;
}
section .content .inner.active {
  display: block;
  -webkit-animation: showTextBlock 1s;
          animation: showTextBlock 1s;
}
section .content .inner h1 {
  font-size: 2em;
  margin-bottom: 1em;
  text-transform: uppercase;
  font-family: decade, sans-serif;
}
section .content .inner p {
  font-size: 1.25em;
  margin-bottom: 0.75em;
  font-family: pt-reg, sans-serif;
}
section .backgrounds .bg {
	position: absolute;
	top: -3px;
	left: -3px;
	width: 100%;
	height: 100%;
	background-size: cover;
	-webkit-transition: 1.5s;
	transition: 1.5s;
	will-change: transform;
	z-index: 60;
}
section .backgrounds .bg.iron {
  background-image: url("ironman.jpg");
  -webkit-transform: translateX(-100%);
          transform: translateX(-100%);
}
section .backgrounds .bg.cap {
  background-image: url("captainamerica.jpg");
  -webkit-transform: translateY(-100%);
          transform: translateY(-100%);
}
section .backgrounds .bg.bw {
  background-image: url("blackwidow.jpg");
  -webkit-transform: translateX(100%);
          transform: translateX(100%);
}
section .backgrounds .bg.thor {
  background-image: url("thor.jpg");
  -webkit-transform: translateY(100%);
          transform: translateY(100%);
}
section .backgrounds .bg.active {
  -webkit-transform: translateZ(0);
          transform: translateZ(0);
  z-index: 70;
}
section .backgrounds .bg.fast {
  -webkit-transition-duration: 0s;
          transition-duration: 0s;
}

@-webkit-keyframes showTextBlock {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.5);
            transform: scale(0.5);
  }
  80% {
    opacity: 1;
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}

@keyframes showTextBlock {
  0% {
    opacity: 0;
    -webkit-transform: scale(0.5);
            transform: scale(0.5);
  }
  80% {
    opacity: 1;
    -webkit-transform: scale(1.05);
            transform: scale(1.05);
  }
  100% {
    opacity: 1;
    -webkit-transform: scale(1);
            transform: scale(1);
  }
}