body {
  margin: 0;
}

a {
  text-decoration: none;
}

.bar {
  height: 40px; 
  width: 100%; 
  background-color: #ffffffcc;
  letter-spacing: 1.1rem;
  padding: 5px;
  user-select: none;
}

.top {
  top: 0;
}

.bottom {
  bottom: 0;
}

.left {
  left: 0;
}

.right {
  right: 0;
}

.mountains {
  background: url(cover.jpg) no-repeat center center fixed; 
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.text-logo {
  max-width: 800px;
  min-width: 600px;
  width: 100vw;
  margin: 5%;
  align-self: center;
}

.logo {
  height: 128px;
  user-select: none;
}

.code-as-art {
  bottom: 0;
  right: 0;
  width: 40%;
  max-width: 600px;
  padding: 30px;
  user-select: none;
}

.back-to-top {
  padding: 5px 0;
}

.back-to-top:hover {
  background: #ffffff22;
}

.slide {
  font-size: 3vmin;
  max-width: 1200px;
  max-height: 100vh;
  overflow: auto;
  align-self: center;
  padding: 20px;
}

.bullseye {
  align-self: center;
  text-align: center;
  vertical-align: middle;
  justify-content: center;
}

.text-center {
  text-align: center;
}

.bold {
  font-weight: bold;
}

.single-height {
  position: relative;
  width: 100%;
  min-width: 800px;
  height: 100vh;
  min-height: 600px;
}

.flex-fill {
  flex: 1;
}

.flex {
  display: flex;
}

.flex-column {
  display: flex;
  flex-direction: column;
}

.full {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.sticky {
  position: sticky;
}

.fixed {
  position: fixed;
}

.absolute {
  position: absolute;
}

.relative {
  position: relative;
}

.blend-normal {mix-blend-mode: normal;}
.blend-multiply {mix-blend-mode: multiply;}
.blend-screen {mix-blend-mode: screen;}
.blend-overlay {mix-blend-mode: overlay;}
.blend-darken {mix-blend-mode: darken;}
.blend-lighten {mix-blend-mode: lighten;}
.blend-color-dodge {mix-blend-mode: color-dodge;}
.blend-color-burn {mix-blend-mode: color-burn;}
.blend-difference {mix-blend-mode: difference;}
.blend-exclusion {mix-blend-mode: exclusion;}
.blend-hue {mix-blend-mode: hue;}
.blend-saturation {mix-blend-mode: saturation;}
.blend-color {mix-blend-mode: color;}
.blend-luminosity {mix-blend-mode: luminosity;}

.icon-scroll,
.icon-scroll:before {
  position: absolute;
  left: 50%;
  bottom: 0;
}

.scroll {
  position: absolute;
  bottom: 0;
  left: 0;
  margin-left: 40px;
}

.icon-scroll {
  width: 40px;
  height: 70px;
  margin-left: -20px;
  margin-top: -35px;
  margin-bottom: 20px;
  box-shadow: inset 0 0 0 2px #000;
  border-radius: 25px;
}

.icon-scroll:before {
  content: '';
  width: 8px;
  height: 8px;
  background: #000;
  margin-left: -4px;
  top: 8px;
  border-radius: 4px;
  animation-duration: 1.5s;
  animation-iteration-count: infinite;
  animation-name: scroll;
}

@keyframes scroll {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(46px);
  }
}

.orator {
  font-family: OratorStd, sans-serif;
}

.stormrow {
  font-family: StormRow, sans-serif;
}

.font-large {
  font-size: large;
}

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

.selected {
  color: var(--def);
	background: var(--inv);
}

.btn {		
  --def: #fff; 	
	--inv: #000;
	position: relative;	
	color: var(--inv);
	transition: all 300ms cubic-bezier(0.77, 0, 0.175, 1);	
	cursor: pointer;
  user-select: none;
  padding: 5px 10px;
}

.btn:before, .btn:after {
	content: '';
	position: absolute;	
	transition: inherit;
	z-index: -1;
}

.btn:hover {
	color: var(--def);
	transition-delay: .3s;
}

.btn:hover:before {
	transition-delay: 0s;
}

.btn:hover:after {
	background: var(--inv);
	transition-delay: .2s;
}

.from-middle:before {
	top: 0;
	left: 50%;
	height: 100%;
	width: 0;
	border: 1px solid var(--inv);
	border-left: 0;
	border-right: 0;
}

.from-middle:after {
	bottom: 0;
	left: 0;
	height: 0;
	width: 100%;
	background: var(--inv);
}

.from-middle:hover:before {
	left: 0;
	width: 100%;
}

.from-middle:hover:after {
	top: 0;
	height: 100%;
}