I placeholder modify the input box style

Implementation code

// Browser Compatibility 
input :: - webkit-input-placeholder {/ * WebKit, Blink, Edge * /
    color:    #ff0000;
}
input:-moz-placeholder {   /* Mozilla Firefox 4 to 18 */
   color:    #ff0000;
}
input::-moz-placeholder {   /* Mozilla Firefox 19+ */
   color:    #ff0000;
}
input:-ms-input-placeholder {  /* Internet Explorer 10-11 */
   color:    #ff0000;
}