.ms-board {
  display: grid;
  gap: 3px;
  margin: 14px auto;
  width: max-content;
  background: #1b2138;
  padding: 8px;
  border-radius: 12px;
}
.ms-cell {
  width: 40px;
  height: 40px;
  background: #2b3354;
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  position: relative;
  user-select: none;
}
.ms-cell.fill { background: #4d96ff; }
.ms-cell.white::before, .ms-cell.black::before {
  content: "";
  width: 26px;
  height: 26px;
  border-radius: 50%;
  box-sizing: border-box;
}
.ms-cell.white::before { background: #fff; }
.ms-cell.black::before { background: #1b2138; border: 6px solid #fff; }
.ms-cell .dot {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: #fff;
}