Remove unneeded calc()

src/templates/project_view.html

@@ -56,7 +56,7 @@
                         {%-for download_item in artifact.artifacts%}
                         <tr>
                             <td class="min-size"><a class="button is-link button-scale"
-                                    style="width: calc({{download_item.width * 0.5}}em);"
+                                    style="width: {{download_item.width * 0.5}}em;"
                                     href="{{ url_for('download_item', project_id=selected_project.id, artifact_id=artifact.id, download_item=download_item.file)}}">{{download_item.file}}</a>
                             </td>
                             <td>{{download_item.description}}</td>