#plugin_subtract .arithmetic-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr) auto minmax(105px, 1.2fr) 1.25em;
  gap: 10px 8px;
  align-items: center;
  max-width: 560px;
  margin-inline: auto;
}
#plugin_subtract .arithmetic-layout > input {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  text-align: center;
  font-size: 1.25em;
}
#plugin_subtract .arithmetic-sign { text-align: center; font-size: 1.25em; }
#plugin_subtract .arithmetic-result { min-width: 1.25em; text-align: center; font-weight: 700; }
#plugin_subtract .arithmetic-random { grid-column: 1 / 5; grid-row: 2; justify-self: start; align-self: start; }
#plugin_subtract .arithmetic-actions { grid-column: 5; grid-row: 2; display: flex; flex-direction: column; align-items: center; gap: 8px; }
#plugin_subtract .arithmetic-actions button { white-space: nowrap; }
@media (max-width: 420px) {
  #plugin_subtract .arithmetic-layout { column-gap: 4px; }
}