@keyframes onAutoFillStart {  from {/**/}  to {/**/}}

@keyframes onAutoFillCancel {  from {/**/}  to {/**/}}

input#password:-webkit-autofill {
    animation-name: onAutoFillStart;
}
input#password:not(:-webkit-autofill) {
    animation-name: onAutoFillCancel;
}