#btp-grid-canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  opacity: 1;
}

#btp-stone-canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  opacity: 1;
}

#btp-highlight-canvas {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  opacity: 1;
}

#btp-overlay-container {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  opacity: 1;
  box-sizing: border-box;
}

#btp-overlay-table {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  border-collapse: collapse;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  user-select: none;
  opacity: 1;
}

.btp-input-cell {
  position: relative;
  border: none;
  border-collapse: collapse;
}

.btp-input-area {
  position: absolute;
  width: 96%;
  height: 96%;
  top: 2%;
  left: 2%;
}

.ghost-pulse {
  animation: ghost-kf 1.2s linear infinite;
}

@keyframes ghost-kf {
  0% {
    opacity: 0.1;
  }
  50% {
    opacity: 0.9;
  }
  100% {
    opacity: 0.1;
  }
}