@keyframes cast-bit-to-space-toggle{to{--cbtst-space-toggle: ;}}@property --cbtst-space-toggle{syntax: "*"; initial-value: initial; inherits: false;}:where(.cbtst){--cbtst-animation: cast-bit-to-space-toggle 1ms linear both var(--cbtst-bit, 0); animation: var(--cbtst-animation);}/* usage */.my-el.cbtst{--cbtst-bit: 1; /* provide input value of 0 or 1 */ /* var(--cbtst-space-toggle) is the output */}