body {
  font-family: helvetica, arial, sans-serif;
  
}

h1 {
  margin-block-end: 0;
}

body > a {
  display: block;
  margin-block-end: 1.4em;
}

video {
  border-radius: 4px;
  background: rgb(237, 239, 247);
  max-width: calc(100% - 12px);
  max-height: 100%;
  width: calc(100% - 12px);
  outline: 2px solid rgb(237, 239, 247);
}

video.playing {
  width: auto;
}

#mainContent {
  position: relative;
  height: calc(100vh - 122px - 2em);
}

#buttons svg:hover {
  color: white;

  transform: scale(1.1);
  transition: 0.1s;
}

#buttons svg:active {
  transform: scale(1);
}

#buttons {
  position: absolute;
  top: -76px;
  left: 434px;
  padding: 8px 12px;
  border-radius: 36px;
  background: rgb(40 42 46);
  height: 36px;
  color: white;
  display: grid;
  align-items: center;
  grid-template-columns: 1fr 43px 1fr 1fr 1fr;
  gap: 6px;
  user-select: none;
  text-align: center;
  box-shadow: 0 1px 2px black;
  color: rgb(161 199 255);
}

.hidden {
  display: none !important;
}

.instruction {
  position: absolute;
  padding: 6px 8px;
  border-radius: 2px;
  margin: 12px;
  outline: 1px solid;
  transition: 1s;
}

#logs {
  margin-top: 24px;
  color: red;
}

pre {
  white-space: pre-wrap;
  word-break: break-all;
  margin: 0;
}

@media screen and (min-width: 1280px) {
  body {
    margin: 2em auto;
    max-width: calc(1280px - 2em);
  }
}