Remove 10years banners from index

Signed-off-by: Toomore Chiang <toomore0929@gmail.com>

assets/styles/homepage.css

@@ -7,45 +7,6 @@
   margin: 0;
 }
 
-#homepage #hero .banner {
-  margin: auto;
-}
-
-@keyframes heart {
-  0%, 40%, 80%, 100% {
-    box-shadow: 1px 1px 40px #3fff0f;
-  }
-  20%, 60% {
-    box-shadow: 1px 1px 40px #6450DC;
-  }
-}
-
-#homepage #hero .banner .tenyearbtn {
-  transition: all 500ms;
-  transition-timing-function: linear;
-}
-
-#homepage #hero .banner a img {
-  margin-bottom: 1rem;
-  border: 1px solid #d2d9d4;
-  box-shadow: 0 0 50px #ffffff;
-  width: 75%;
-  transition: box-shadow 250ms ease-in-out;
-}
-
-#homepage #hero .banner a img:hover {
-  box-shadow: 0 0 20px #ffffff;
-}
-
-#homepage #hero .banner a.tenyearbtn {
-  border: 1px #7a70b3 !important;
-  box-shadow: 1px 1px 40px #6450DC !important;
-}
-
-#homepage #hero .banner a.tenyearbtn:hover {
-  box-shadow: 1px 1px 40px #3fff0f !important;
-}
-
 #homepage #header {
   background-color: none;
   background: none;

index.html

@@ -27,32 +27,6 @@
 </div>
 
 <section id="hero" class="ui inverted center aligned basic segment marginless">
-
-  <div class="banner">
-    <div style="max-width: 2000px; margin:auto;">
-      <a href="https://10years.ocf.tw/">
-        <img class="ui centered rounded image"
-	     alt="「開源祭」十週年活動"
-	     title="「開源祭」十週年活動"
-             src="/assets/images/10years_banner.webp">
-      </a>
-    </div>
-    <a class="ui purple inverted button tenyearbtn"
-       style="margin-bottom: 10px;"
-       href="https://10years.ocf.tw/">
-       「開源祭」十週年活動
-    </a>
-    <a class="ui purple inverted button tenyearbtn"
-       style="margin-bottom: 10px; color:aqua;"
-       href="https://10years.ocf.tw/bioerosion.html">
-       募資計畫
-    </a>
-    <a class="ui purple inverted button tenyearbtn"
-       style="margin-bottom: 10px; color: aquamarine;"
-       href="https://10years.ocf.tw/objects.html">
-       懷舊物件募集
-    </a>
-  </div>
   <div class="ui hidden section divider"></div>
   <div class="ui stripe container">
     <h2 class="ui inverted header">