how to remove autofill background color in input code example

Example 1: css input autofill background color

/* Change Autocomplete styles in Chrome*/
input:-webkit-autofill,
input:-webkit-autofill:hover, 
input:-webkit-autofill:focus,
textarea:-webkit-autofill,
textarea:-webkit-autofill:hover,
textarea:-webkit-autofill:focus,
select:-webkit-autofill,
select:-webkit-autofill:hover,
select:-webkit-autofill:focus {
  border: 1px solid green;
  -webkit-text-fill-color: green;
  -webkit-box-shadow: 0 0 0px 1000px #000 inset;
  transition: background-color 5000s ease-in-out 0s;
}

Example 2: remove background when autofill input css

@-webkit-keyframes autofill {
    0%,100% {
        color: #666;
        background: transparent;
    }
}

input:-webkit-autofill {
    -webkit-animation-delay: 1s; /* Safari support - any positive time runs instantly */
    -webkit-animation-name: autofill;
    -webkit-animation-fill-mode: both;
}