$key-base-height: rem(24px);
$bottom-shadow-size: 2px;

.Biblio-KeyboardKey {
  display: inline-block;
  height: $key-base-height;
  margin: 0 (spacing(extra-tight) / 2) $bottom-shadow-size;
  padding: 0 spacing(extra-tight);
  background-color: color('white', 'base');
  box-shadow: 0 0 0 1px color('sky', 'dark'),
    0 $bottom-shadow-size 0 0 color('white'),
    0 $bottom-shadow-size 0 1px color('sky', 'dark');
  border-radius: border-radius();
  font-family: font-family();
  font-size: rem(12px);
  font-weight: 500;
  line-height: $key-base-height;
  color: color('ink', 'lighter');
  text-align: center;
  min-width: $key-base-height;
  user-select: none;
}