Issue 5453 - Make website-defaults adblockplus/cms compatible

static/css/demo.css

+/*!
+ * This file is part of website-defaults
+ * Copyright (C) 2016-2017 eyeo GmbH
+ *
+ * website-defaults is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * website-defaults is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with website-defaults.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* The following styles are for demonstration purposes **only** */
+
+body
+{
+  margin: 3em 0;
+}
+
+/**
+ * Highlight text with inverse colors and padding
+ */
+.inverse-text
+{
+  padding: 0.5em 1em;
+  color: #fff;
+  background-color: #000;
+}
+
+/**
+ * Tablet width container
+ */
+.tablet
+{
+  width: 720px;
+}
+
+/**
+ * Mobile width container
+ */
+.mobile
+{
+  width: 540px;
+}
+
+/* Collapse mobile & tablet container widths to 100% on small screens */
+
+.mobile,
+.tablet
+{
+  max-width: 100%;
+}
+
+.mobile .column,
+.tablet .column
+{
+  width: 100%;
+}
+
+@media(min-width: 768px)
+{
+  /* Collapse one fourth columns to one half columns inside tablet containers */
+  .tablet .column.one-fourth
+  {
+    width: 50%;
+  }
+}