anchor.diff:  				</div>
   			</div>
   			<div class="row">
  -	<!-------------------------------- content 시작 ---------------------------------->
  +				<!-------------------------------- content 시작 ---------------------------------->
   				<c:forEach var="content" items="${contentPage.contentList}">
   					<div class="col-md-4 col-sm-6 portfolio-item">
  -						<a class="portfolio-link" href="<%=request.getContextPath()%>/content?task=read&contentNumber=${content.content_no}">
  +						<a class="portfolio-link"
  +							href="<%=request.getContextPath()%>/content?task=read&contentNumber=${content.content_no}">
   							<div class="portfolio-hover">
   								<div class="portfolio-hover-content">
   									<i class="fa fa-plus fa-3x"></i>
   								</div>
  -							</div> 
  -							<img class="img-fluid" src="${content.main_img}" alt="">
  +							</div> <img class="img-fluid" src="${content.main_img}" alt="">
   						</a>
   						<div class="portfolio-caption">
   							<h4>${content.title}</h4>
  
positive.code: 					<h2 class="section-heading text-uppercase">
  						<div class="col-lg-6">
  							<div class="input-group">
  							<form action="<%=request.getContextPath()%>/content" method="post">
  								<input type="hidden" name="task" value="contentList">
  								<input type="hidden" name="category" value="${category}">
  								<c:if test="${empty search}">
  								<span class="input-group-btn">
  									<input type="text" class="form-control" name="search" size="500" placeholder="Search..."> 
  								</c:if>
  								<c:if test="${not empty search}">
  									<input type="text" class="form-control" name="search" size="500" value="${search}"> 
  								</c:if>
  								
  									<input type="submit" class="btn btn-secondary" value="Go">
  								</span>
  								
  								
  							</form>
  							</div>
  						</div>
  					</h2>
  
negative.code: 
  	<!-- Contact -->
  
  	<!-------------------------------글 쓰기 버튼 ------------------------->
  	<div style="position: fixed; bottom: 60px; right: 20px;">
  		<%
  			String clientId = "TZblhGxHqxzRPDaQz4FJ";//애플리케이션 클라이언트 아이디값";
  			String redirectURI = URLEncoder.encode("http://localhost:3333/JSPProject_4team/login/callback.jsp",
  					"UTF-8");
  			SecureRandom random = new SecureRandom();
  			String state = new BigInteger(130, random).toString();
  			String apiURL = "https://nid.naver.com/oauth2.0/authorize?response_type=code";
  			apiURL += "&client_id=" + clientId;
  			apiURL += "&redirect_uri=" + redirectURI;
  			apiURL += "&state=" + state;
  			session.setAttribute("state", state);
  		%>
  		<button
  			style="background-color: transparent; border: 0; outline: 0; float: right;"
  			onclick="window.open('<%=apiURL%>','window', 'width=430,height=500,location=no,status=no,scrollbars=yes')">
  			<img src="write.png" style="width: 70px; height: 70px">
  		</button>
  	</div>
  	
  	<!-- Footer -->
  	<footer>
  		<div class="container">
  