body {
  letter-spacing: 0.0625em;
}

#video_container {
  object-fit: cover;
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  min-height: 35rem;
}

#video_cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: blur(6px);
  -webkit-filter: blur(6px);
  background: url('../img/video_cover.jpg') no-repeat;
  background-size: cover;
  background-position: center;
  min-height: 35rem;
}

#overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.75);
  min-height: 35rem;
}

.btn {
  box-shadow: 0 0.1875rem 0.1875rem 0 rgba(0, 0, 0, 0.1) !important;
  padding: 1.25rem 2rem;
  font-family: Karla, Aria, sans-serif;
  font-size: 80%;
  text-transform: uppercase;
  letter-spacing: 0.15rem;
  border: 0;
}

.btn-primary {
  color: #fff;
  background-color: #64a19d;
  border-color: #64a19d;
}

.btn-primary:hover {
  color: #fff;
  background-color: #467370;
  border-color: #467370;
}

header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  min-height: 35rem;
}

h1 {
  font-family: Karla, Aria, sans-serif;
  font-size: 2.5rem;
  line-height: 2.5rem;
  letter-spacing: 0.8rem;
  background: rgba(255, 255, 255, 0.8);
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
}

h2 {
  max-width: 20rem;
  font-size: 1rem;
}

@media (min-width: 992px) {
  h1 {
    font-size: 6.5rem;
    line-height: 6.5rem;
    letter-spacing: 0.8rem;
  }

  h2 {
    max-width: 30rem;
    font-size: 1.25rem;
  }
}

@media (min-width: 768px) {
  h1 {
    font-size: 4rem;
    line-height: 4rem;
  }

  h2 {
    max-width: 30rem;
    font-size: 1.25rem;
  }
}

@media (max-width:500px) {
  .github-corner:hover .octo-arm {
    animation: none
  }

  .github-corner .octo-arm {
    animation: octocat-wave 560ms ease-in-out
  }
}

.github-corner:hover .octo-arm {
  animation: octocat-wave 560ms ease-in-out
}

@keyframes octocat-wave {

  0%,
  100% {
    transform: rotate(0)
  }

  20%,
  60% {
    transform: rotate(-25deg)
  }

  40%,
  80% {
    transform: rotate(10deg)
  }
}