html, body {
  height: 100%;
  width: 100%;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 0;
  font-size: 0;
  background-color: #303030;
  color: white;
  font-family: 'Roboto', sans-serif;
}
.grid {
  background-color: #424242;
  padding: 20px;
  box-shadow: 0 6px 24px rgba(0,0,0,0.3);
  border-radius: 2px;
  width: 355px;
  height: 355px;
  position: relative;
}
.grid::after {
  content: attr(data-score);
  font-size: 72px;
  text-align: center;
  display: block;
  width: 100%;
  position: absolute;
  bottom: 100%;
  left: 0;
}
.grid > span {
  position: absolute;
  padding: 20px;
  border-radius: 2px;
  background-position: center;
  background-repeat: no-repeat;
  background-size: 20px;
  box-shadow: 0 0.5px 3px rgba(0,0,0,0.3);
  transition: left .2s, top .2s;
}
.grid > span.square {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' stroke-linejoin='round' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='1'%3E%3Cpath d='M1 1H9V9H1z'/%3E%3C/svg%3E")
}
.grid > span.circle {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='1'%3E%3Ccircle cx='5' cy='5' r='4'/%3E%3C/svg%3E")
}
.grid > span.triangle {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' stroke-linejoin='round' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='1'%3E%3Cpath d='M5 1.5L9 8.5H1z'/%3E%3C/svg%3E")
}
.grid > span.plus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' stroke-linecap='round' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='1'%3E%3Cpath d='M5 1V9M1 5H9'/%3E%3C/svg%3E")
}
.grid > span.minus {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' stroke-linecap='round' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='1'%3E%3Cpath d='M2 5H8'/%3E%3C/svg%3E")
}
.grid > span.hexagon {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 10' stroke-linejoin='round' fill='none' stroke='rgba(0,0,0,0.3)' stroke-width='1'%3E%3Cpath d='M4 1H8L10.6 5L8 9H4L1.4 5z'/%3E%3C/svg%3E");
  background-size: 24px 20px;
}
.grid > span.dot {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' fill='rgba(0,0,0,0.3)'%3E%3Ccircle cx='5' cy='5' r='1'/%3E%3C/svg%3E");
}
.grid > span::after {
  content: '';
  pointer-events: none;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  background-size: 100%;
  background-position: center;
  background-repeat: no-repeat;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 10' stroke-linejoin='round' stroke-linecap='round' fill='none' stroke='white' stroke-width='1'%3E%3Cpath d='M1 2V1H2M9 8V9H8 M9 2V1H8M2 9H1V8'/%3E%3C/svg%3E");
  transform: scale(1.2);
  opacity: 0;
  transition: all .2s;
}
.grid > span.active::after {
  transform: scale(1);
  opacity: 1;
}
.grid > span.entering {
  padding: 0 20px;
  animation: entering .2s .2s forwards;
}
@keyframes entering {
  from {padding: 0 20px;}
  to {padding: 20px;}
}
.grid > span.exiting {
  pointer-events: none;
  animation: exiting .2s forwards;
}
@keyframes exiting {
  from {padding: 20px; margin-top: 0;}
  to {padding: 0 20px; margin-top: 40px;}
}