[O] Put artwork in container

src/App.vue

@@ -5,6 +5,7 @@
             <div id="title-sub">{{config.title.sub}}</div>
         </div>
 
+        <div id="artwork-container">
             <el-card class="artwork" :body-style="{padding: '0px'}"
                      v-for="artwork in artworks">
                 <div class="image" :style="{'background-image': artwork.imgThumb}"></div>
@@ -13,6 +14,7 @@
                     <div class="time">{{artwork.rawDate}}</div>
                 </div>
             </el-card>
+        </div>
 
         <div id="footer" :style="footerStyle">
 
@@ -170,6 +172,9 @@
         }
     }
 
+    #artwork-container
+    {
+
         .artwork
         {
             display: inline-block;
@@ -186,6 +191,7 @@
                 font-size: 12px;
             }
         }
+    }
 
     #footer
     {