[F] Use div width instead of screen width

src/App.vue

@@ -5,8 +5,9 @@
             <div id="title-sub">{{config.title.sub}}</div>
         </div>
 
-        <div id="artwork-container">
-            <el-card class="artwork" :body-style="{padding: '0px', width: responsive.getBlockWidth().toFixed(0) + 'px'}"
+        <div id="artwork-container" ref="artworkContainer">
+            <el-card class="artwork" :body-style="{padding: '0px',
+                    width: responsive.getBlockWidth($refs.artworkContainer.clientWidth).toFixed(0) + 'px'}"
                      v-for="(artwork, i) in artworks" :key="artwork.date + artwork.title">
                 <div class="image" :style="{'background-image': `url(${artwork.imgThumb})`}" @click="() => onImageClick(i)">
                     <div class="description">