:root {
  --shadow-card:  0 1px 3px rgba(18,18,18,.06), 0 6px 20px rgba(18,18,18,.06);
  --shadow-hover: 0 10px 30px rgba(18,18,18,.12);
  --shadow-dark-hover: 0 6px 18px rgba(0,0,0,.30);
  --shadow-focus: 0 0 0 3px rgba(143, 218, 250,.28);
}