body{
  width: 100%;
  margin: 0;
}

div.go-back {
  align-self: self-start;
  position: absolute;
  display: flex;
  
  width: 12em;
  aspect-ratio: 4 / 1;
  box-shadow: 0px 0px 8px rgb(219, 227, 255);
}

a.go-back-button {
  align-content: center;
  text-align: center;

  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: bold;
  
  background-color: rgba(255, 255, 255, 0.533);
  
  text-decoration: none;
  color: rgb(255, 255, 255);
  font-size: 1em;
  width: 100%;
  height: 100%;
  transition: all 1s;
}

a.go-back-button:hover {
  font-size: 0.9em;
  background-color: rgba(0, 0, 0, 0.149);
  box-shadow: 0px 0px 8px black;
}

.chronometre {
  justify-self: right;
  margin-right: 0;
  position: absolute;
  display: flex;
  flex-direction: column;

  width: 12em;
  aspect-ratio: 4 / 1;
  box-shadow: 0px 0px 8px rgb(219, 227, 255);

  text-align: center;
  justify-content: center;
  align-items: center;

  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  font-weight: bold;
  
  background-color: rgba(255, 255, 255, 0.533);
  
  color: rgb(255, 255, 255);
  font-size: 1em;
  transition: all 1s;
}

.chronometre div {
  flex: 1;
}

.chronometre:hover {
  font-size: 0.9em;
  background-color: rgba(0, 0, 0, 0.149);
  box-shadow: 0px 0px 8px black;
}

canvas {
  display: block;
  width: 100vw;
  height: 100vh;
}