*{
    --shadow-s: 
    inset 0 1px 2px #ffffff30,
    0 1px 2px #00000030,
    0 2px 4px #00000015;

    --shadow-m: 
    inset 0 1px 2px #ffffff50,
    0 2px 4px #00000030,
    0 4px 8px #00000015;

    --shadow-l: 
    inset 0 1px 2px #ffffff70,
    0 4px 6px #00000030,
    0 6px 10px #00000015;
}