anchor.diff:  
   <style type="text/css">
   #line {
  -	font-size: 25px;
  -	color: black;
  +   font-size: 25px;
  +   color: black;
   }
   
   #title {
  -	font-family: 'Dosis', sans-serif;
  -	font-family: 'Amatic SC', cursive;
  -	font-size: 55px;
  -	font-weight: bold;
  -	color: #51a3f7;
  +   font-family: 'Dosis', sans-serif;
  +   font-family: 'Amatic SC', cursive;
  +   font-size: 55px;
  +   font-weight: bold;
  +   color: #51a3f7;
   }
   
   #go {
  -	font-family: 'Dosis', sans-serif;
  -	font-family: 'Amatic SC', cursive;
  -	font-size: 25px;
  -	font-weight: bold;
  +   font-family: 'Dosis', sans-serif;
  +   font-family: 'Amatic SC', cursive;
  +   font-size: 25px;
  +   font-weight: bold;
   }
   
   #dropdownMenuLink {
  -	font-family: 'Nanum Gothic Coding', monospace;
  +   font-family: 'Nanum Gothic Coding', monospace;
   }
   
   #selection {
  -	font-family: 'Nanum Gothic Coding', monospace;
  +   font-family: 'Nanum Gothic Coding', monospace;
   }
   </style>
   
  
positive.code: <!-- 글씨체 -->
  
  <link
  	href="https://fonts.googleapis.com/css?family=Amatic+SC:700|Dosis:600"
  	rel="stylesheet">
  
  <link
  	href="http://fonts.googleapis.com/earlyaccess/nanumgothiccoding.css"
  	rel="stylesheet">
  
  <!-- 공유하기 -->
  
  
negative.code: <%@ page language="java" contentType="text/html; charset=UTF-8"
     pageEncoding="UTF-8"%>
  <%@ page import="java.security.SecureRandom"%>
  <%@ page import="java.math.BigInteger"%>
  <%@ page import="java.net.URLEncoder"%>
  