how to change plasholder color css code example

Example 1: placeholder css

::-webkit-input-placeholder {color: pink;} /* Chrome/Opera/Safari */
::-moz-placeholder { color: pink;} /* Firefox 19+ */
:-ms-input-placeholder { color: pink;} /* IE 10+ */
:-moz-placeholder {color: pink;}  /* Firefox 18- */

Example 2: placeholder color in css

/* do not group these rules */
*::-webkit-input-placeholder {
    color: red;
}
*:-moz-placeholder {
    /* FF 4-18 */
    color: red;
    opacity: 1;
}
*::-moz-placeholder {
    /* FF 19+ */
    color: red;
    opacity: 1;
}
*:-ms-input-placeholder {
    /* IE 10+ */
    color: red;
}
*::-ms-input-placeholder {
    /* Microsoft Edge */
    color: red;
}
*::placeholder {
    /* modern browser */
    color: red;
}