Add missing class to some buttons

weblate/html/translation.html

@@ -69,7 +69,7 @@
 <table>
 {{ form.as_table }}
 </table>
-<p><input type="submit" value="{% trans "Upload" %}" /></p>
+<p><input type="submit" value="{% trans "Upload" %}" class="button" /></p>
 </form>
 {% endif %}
 </div>
@@ -87,7 +87,7 @@
 <table>
 {{ review_form.as_table }}
 </table>
-<p><input type="submit" value="{% trans "Start review" %}" /></p>
+<p><input type="submit" value="{% trans "Start review" %}" class="button" /></p>
 </form>
 {% endif %}
 </div>
@@ -100,7 +100,7 @@
 <table>
 {{ autoform.as_table }}
 </table>
-<p><input type="submit" value="{% trans "Process" %}" /></p>
+<p><input type="submit" value="{% trans "Process" %}" class="button" /></p>
 </form>
 </div>
 {% endif %}