.crossword-row {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
}

.crossword-square {
  flex: 1 1 100%;
  max-width: 40px;
  border: 1px solid black;
  position: relative;
  font-family: sans-serif;
  box-sizing: content-box;
}

.crossword-row:first-child .crossword-square {
  border-top: 2px solid black;
}
.crossword-square:first-child {
  border-left: 2px solid black;
}
.crossword-square:last-child {
  border-right: 2px solid black;
}
.crossword-row:last-child .crossword-square {
  border-bottom: 2px solid black;
}

.crossword-square.black {
  background-color: black;
}

.crossword-square {
  background-color: white;
}

.crossword-square .numeral {
  font-size: 8px;
  line-height: 1.25em;
  position: absolute;
  top: 0;
  left: 0;
  background-color: inherit;
  padding: 1px;
  z-index: 1;
}

.crossword-square[data-circle]:after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 1px solid black;
  border-radius: 50%;
}

.square-bulk {
  height: 0;
  padding-top: 100%;
}

.square-fill {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate3d(-50%, -50%, 0);
  font-size: 16px;
  z-index: 2;
}

.rebus .square-fill {
  transform: translate3d(-50%, -50%, 0) rotate(45deg);
  font-size: 12px;
}

input.phantom.crossword-input,
input.phantom.crossword-input:hover,
input.phantom.crossword-input:focus {
  height: 1px;
  width: 1px;
  outline: none;
  background: none;
  border: none;
  box-shadow: none;
  font-size: 100px;
  color: transparent;
  overflow: hidden;
  padding: 0;
  position: absolute;
  top: 0;
  left: 0;
}

.crossword-solution .crossword-square[data-rebus] .square-fill,
.field-formatter-crossword_solution .crossword-square[data-rebus] .square-fill {
  transform: translate3d(-50%, -50%, 0) rotate(45deg);
  font-size: 12px;
}

.crossword-embedded-image {
  position: absolute;
  max-width: unset;
  z-index: 1;
}
/* Embedded images account for 2-px grid lines */
.crossword-embedded-image.width-1 {
  width: calc(100% + 2px - 2px);
}
.crossword-embedded-image.width-2 {
  width: calc(200% + 4px - 2px);
}
.crossword-embedded-image.width-3 {
  width: calc(300% + 6px - 2px);
}
.crossword-embedded-image.width-4 {
  width: calc(400% + 8px - 2px);
}
.crossword-embedded-image.width-5 {
  width: calc(500% + 10px - 2px);
}
.crossword-embedded-image.width-6 {
  width: calc(600% + 12px - 2px);
}
.crossword-embedded-image.width-7 {
  width: calc(700% + 14px - 2px);
}
.crossword-embedded-image.width-8 {
  width: calc(800% + 16px - 2px);
}
.crossword-embedded-image.width-9 {
  width: calc(900% + 18px - 2px);
}
.crossword-embedded-image.width-10 {
  width: calc(1000% + 20px - 2px);
}
.crossword-embedded-image.width-11 {
  width: calc(1100% + 22px - 2px);
}
.crossword-embedded-image.width-12 {
  width: calc(1200% + 24px - 2px);
}
.crossword-embedded-image.width-13 {
  width: calc(1300% + 26px - 2px);
}
.crossword-embedded-image.width-14 {
  width: calc(1400% + 28px - 2px);
}
.crossword-embedded-image.width-15 {
  width: calc(1500% + 30px - 2px);
}
.crossword-embedded-image.height-1 {
  height: calc(100% + 2px - 2px);
}
.crossword-embedded-image.height-2 {
  height: calc(200% + 4px - 2px);
}
.crossword-embedded-image.height-3 {
  height: calc(300% + 6px - 2px);
}
.crossword-embedded-image.height-4 {
  height: calc(400% + 8px - 2px);
}
.crossword-embedded-image.height-5 {
  height: calc(500% + 10px - 2px);
}
.crossword-embedded-image.height-6 {
  height: calc(600% + 12px - 2px);
}
.crossword-embedded-image.height-7 {
  height: calc(700% + 14px - 2px);
}
.crossword-embedded-image.height-8 {
  height: calc(800% + 16px - 2px);
}
.crossword-embedded-image.height-9 {
  height: calc(900% + 18px - 2px);
}
.crossword-embedded-image.height-10 {
  height: calc(1000% + 20px - 2px);
}
.crossword-embedded-image.height-11 {
  height: calc(1100% + 22px - 2px);
}
.crossword-embedded-image.height-12 {
  height: calc(1200% + 24px - 2px);
}
.crossword-embedded-image.height-13 {
  height: calc(1300% + 26px - 2px);
}
.crossword-embedded-image.height-14 {
  height: calc(1400% + 28px - 2px);
}
.crossword-embedded-image.height-15 {
  height: calc(1500% + 30px - 2px);
}