dos

Public/static/css/index.css

@@ -51,7 +51,7 @@ input {
 
 input::-webkit-input-placeholder {
   /* placeholder颜色  */
-  color: #bababa;
+  color: #222222;
 }
 
 .page {
@@ -105,6 +105,13 @@ input::-webkit-input-placeholder {
   animation: trans 2s 1s ease-in forwards;
 }
 
+input[name=customize-flag] {
+  font-size: 2.2rem;
+  color: #222222;
+  padding-left: 1rem;
+  padding-right: 5rem;
+}
+
 @keyframes trans {
   to {
     transform: translateY(0);

Public/static/js/common.js

@@ -82,6 +82,7 @@ let flag = [
 
 var flagTemplate = $('.flag-frame').find('.flag-block').clone();
 $('.flag-frame').html('').addClass('clearfix');
+$('input[name=customize-flag]').attr('placeholder', '也能在这里写你的flag哦');
 
 $(document).ready(function () {
     $("input").on("blur", function () {