how to avoid repeat many effects
I have this example
.contenido div{
height:150px;
width:300px;}
div.uno{
background-color:#000;
color:#FFF;}
div.dos{
background-color:#0F0;}
<div class="contenido">
<div id="uno" class="uno">primer contenido</div>
<div id="dos" class="dos">segundo contenido</div>
</div>
but
when
here
's
the
August
number
is
repeated
as many times as
I did
here
I just want that when the span tag shows the layer DOS is doing more effects UNO
ago can explain me as to correct this error
excuse my English is terrible
thanks