[optimize] reize qa box and change the link for button

src/components/CFP/Header.vue

@@ -57,7 +57,7 @@
       <div class="cfp-news">
         <div class="cfp-news-wrapper">
           <div class="hexagon">
-            <a href="/news" rel="noopener" class="btn">
+            <a href="/2021/cfp/news" rel="noopener" class="btn">
               <img
                 src="~@/assets/images/burnfont/news.svg"
                 class="svg"

src/components/CFP/Intro.vue

@@ -106,7 +106,7 @@
             <div class="cfp-deadline-content">
               <span class="h3">01/15 ～ 02/22</span
               ><span class="ml-2 mr-2">詳細時程請見</span
-              ><a class="btn btn-primary mr-2" rel="noopener" href="/news"
+              ><a class="btn btn-primary mr-2" rel="noopener" href="/2021/cfp/news"
                 >投稿資訊</a
               ><a
                 class="btn btn-primary"