.game-table {
  background: #fff;
  position: relative;
  display: block;
  opacity: 0;
}

.game-row {
  display: flex;
}

.game-cell {
  display: block;
  width: 20px;
  height: 20px;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
}

.button {
  width: 20px;
  height: 20px;
  appearance: none;
  -webkit-appearance: none;
  border: none;
  padding: 0;
  overflow: hidden;
  outline: none;
}

.container {
  width: min-content;
  position: relative;
}

.canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.game-table {
  background: #fff;
  position: relative;
  display: block;
  opacity: 0;
}

.game-row {
  display: flex;
}

.game-cell {
  display: block;
  width: 20px;
  height: 20px;
  padding: 0;
  overflow: hidden;
  flex-shrink: 0;
}

.button {
  width: 20px;
  height: 20px;
  appearance: none;
  -webkit-appearance: none;
  border: none;
  padding: 0;
  overflow: hidden;
  outline: none;
}

.container {
  width: -moz-max-content;
  width: max-content;
  position: relative;
}

.canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

Fix Minefield rendering on FF48
Fix Minefield rendering on FF48
