* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-weight: 500;
  font-family: 'HelveticaNeue';
}

section {
  width: 100%;
  padding: 0 7%;
  display: table;
  margin: 0;
  max-width: none;
  background-color: #373B44;
  height: 100vh;
}
section:nth-of-type(2n) {
  background-color: rgb(52, 152, 219);
}

.intro {
  height: 90vh;
}

.content {
  display: table-cell;
  vertical-align: middle;
}

h1 {
  font-size: 3em;
  display: block;
  color: white;
  font-weight: 300;
}

p {
  font-size: 1.5em;
  font-weight: 500;
  color: #C3CAD9;
}

a {
  font-weight: 700;
  color: #373B44;
  position: relative;
}
a:hover {
  opacity: 0.8;
}
a:active {
  top: 1px;
}

footer {
  padding: 1% 5%;
  text-align: center;
  background-color: #373B44;
  color: white;
}
footer a {
  color: #FE4B74;
  font-weight: 500;
  text-decoration: none;
}

@-webkit-keyframes letter-in {
  0% {
    top: 1.2em;
  }
  100% {
    top: 0em;
  }
}

@keyframes letter-in {
  0% {
    top: 1.2em;
  }
  100% {
    top: 0em;
  }
}
@-webkit-keyframes letter-out {
  0% {
    top: 0em;
  }
  100% {
    top: -1.2em;
  }
}
@keyframes letter-out {
  0% {
    top: 0em;
  }
  100% {
    top: -1.2em;
  }
}
div.changing-title {
  font-size: 8vw;
  height: 1.2em;
  position: relative;
  width: 100%;
  overflow-y: hidden;
  margin-left: 1em;
   transform: translate3d(0, 0, 0);
}
div.changing-title h1 {
  font-size: 1em;
  position: absolute;
  left: 0;
  top: 0;
  margin: 0;
}
div.changing-title h1 .letter {
  position: relative;
  top: 1.2em;
}
div.changing-title h1 .letter.in {
  -webkit-animation-name: letter-in;
          animation-name: letter-in;
  -webkit-animation-duration: 0.3s;
          animation-duration: 0.3s;
  -webkit-animation-timing-function: ease-out;
          animation-timing-function: ease-out;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}
div.changing-title h1 .letter.out {
  top: 0em;
  -webkit-animation-name: letter-out;
          animation-name: letter-out;
  -webkit-animation-duration: 0.3s;
          animation-duration: 0.3s;
  -webkit-animation-timing-function: ease-in;
          animation-timing-function: ease-in;
  -webkit-animation-fill-mode: forwards;
          animation-fill-mode: forwards;
}