add Link, content styles

 import React from "react";
+import { Link } from "react-router-dom";
 import styled from "styled-components";
 import Header from "../../Components/Header";
 import Footer from "../../Components/Footer";
@@ -29,7 +30,7 @@ const ContentMain = styled.main`
 `;
 
 const MainTabBox = styled.div`
-  margin: 10px 0px;
+  margin: 20px 0px;
   width: 100%;
   font-size: 1.5rem;
 `;
@@ -39,6 +40,7 @@ const MainSection = styled.section``;
 const PostList = styled.ul`
   display: flex;
   flex-direction: column;
+  margin: 20px 0px;
 `;
 
 const PostItem = styled.li`
@@ -47,6 +49,10 @@ const PostItem = styled.li`
   &.post-header {
     background-color: #eaeaea;
   }
+  &.post-footer {
+    background-color: #eaeaea;
+    height: 30px;
+  }
 `;
 
 const TopicList = styled.ul`
@@ -71,11 +77,30 @@ const TopicItem = styled.li`
   }
 `;
 
-const PaginationBox = styled.div``;
+const PaginationBox = styled.div`
+  width: 100%;
+  margin-bottom: 20px;
+`;
 
-const PaginationList = styled.ul``;
+const PaginationList = styled.ul`
+  display: flex;
+  flex-direction: row;
+  justify-content: center;
+  align-items: center;
+`;
 
-const PaginationItem = styled.li``;
+const PaginationItem = styled.li`
+  font-size: 1.5rem;
+  a {
+    margin: 0px 10px;
+  }
+`;
+
+const PaginationSpan = styled.span`
+  background: #eaeaea;
+  border-radius: 5px;
+  margin: 0px 10px;
+`;
 
 export default () => {
   return (
@@ -86,7 +111,7 @@ export default () => {
           <HeaderSpan>Forums</HeaderSpan>
         </ContentHeader>
         <ContentMain>
-          <MainTabBox>Tab</MainTabBox>
+          <MainTabBox>Viewing 20 topics</MainTabBox>
           <MainSection>
             <PostList>
               <PostItem className="post-header">
@@ -105,11 +130,16 @@ export default () => {
                   <TopicItem className="topic-date">2020-Date</TopicItem>
                 </TopicList>
               </PostItem>
+              <PostItem className="post-footer" />
             </PostList>
           </MainSection>
           <PaginationBox>
             <PaginationList>
-              <PaginationItem>paging number</PaginationItem>
+              <PaginationItem>
+                <PaginationSpan>1</PaginationSpan>
+                <Link to="/">2</Link>
+                <Link to="/">3</Link>
+              </PaginationItem>
             </PaginationList>
           </PaginationBox>
         </ContentMain>