.hbox {
  display: flex;
  flex-direction: row;
  align-items: center;
  padding: 0.2em;
}

.vbox {
  display: flex;
  flex-direction: column;
  align-items: center;  
}

.hbox > *, .vbox > * {
  flex: 0 0 auto;
}

.arenaContainer > * {
  position: absolute;
}

.arenaContainer > *:first-child > * {
  position: absolute;
}

.caption {
  position: absolute;
  max-width: 4em;
  background: goldenrod;
  border-radius: 0.5em;
  padding: 0.25em;
}

.caption > * {
  width: fit-content;
  font-size: 0.5em;
  line-height: 1.2em;
}