html {
  font-size: 10px;
  height: 100%;
}
body {
  overflow: hidden;
}
aside {
  height: 100%;
  width: 0;
  position: fixed;
  z-index: 12;
  top: 0;
  left: 0;
  overflow-x: hidden;
  transition: 0.5s;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
nav {
  position: fixed;
  z-index: 9;
  left: 0;
  top: 0;
  animation: pulse 2s infinite;
  transition: margin-left 0.5s;
  width: 70px;
}
nav button {
  border-radius: 0 0.5rem 0.5rem 0 !important;
  font-size: 1.25rem !important;
}
nav a {
  border-radius: 0 0.5rem 0.5rem 0 !important;
}
main {
  width: 100%;
  height: 100vh;
}
main iframe {
  height: 100vh;
}
h1 {
  font-size: 1.6rem;
}
h2 {
  font-size: 1.4rem;
}
h3 {
  font-size: 1.4rem;
  margin: 0;
}
h4 {
  font-size: 1.3rem;
  font-style: italic;
  margin: 0;
}
h5 {
  font-size: 1.2rem;
  font-style: italic;
  margin: 0;
}
/* Global */
.alert {
  font-size: 2rem;
}
.layer {
  width: 100%;
  height: 100vh;
  z-index: 5;
  position: fixed;
  top: 0;
}
/* Lobby */
.lobby {
  font-size: 20px;
  min-width: 350px;
  max-width: 850px;
}
.lobby h1 {
  font-size: 3rem;
}
.lobby p {
  font-size: 2rem;
}
/* Modal */
.modal-header {
  justify-content: space-between;
}
.modal-title {
  font-size: 2rem;
}
.close {
  border: none;
  background-color: #f01717;
  color: #fff;
  border-radius: 100%;
  width: 25px;
  height: 25px;
  font-size: 1.5rem;
  padding: 0;
}
/*  */
@media (max-width: 600px) {
  main iframe {
    height: 90vh;
  }
}
@media (orientation: landscape) and (max-width: 900px) {
  aside {
    flex-direction: row;
  }
  aside > div {
    width: 50%;
  }
  main iframe {
    height: 90vh;
  }
}
/*  */
@keyframes pulse {
  0% {
    top: 120px;
  }
  50% {
    top: 125px;
  }
  100% {
    top: 120px;
  }
}