<span class="background sehrhell" id="bs1">?</span>
<span class="background heller" id="bs2">?</span>
<span class="background sehrhell" id="bs3">?</span>
<span class="background sehrhell" id="bs1">?</span>
<span class="background heller" id="bs2">?</span>
<span class="background sehrhell" id="bs3">?</span>