*: clang-format all the things I've edited the formatting a bit. Now pointer asterisks (and reference ampersands) are on the variable instead of the type, as well as having newlines for function braces (but nothing else)

// Sizing shortcuts

.size(@width; @height) {
  width: @width;
  height: @height;
}

.square(@size) {
  .size(@size; @size);
}