<div class="red">Cupcake lemon drops bonbon.</div>
<div>Lungo percolator, single origin so milk rich, breve rich body mocha a extra.</div>
<div><p> Biscuit brownie donut marshmallow chocolate bar jelly beans macaroon.</p></div>
<div>
  <p class="red">Cup, irish arabica, flavour body redeye doppio extra single shot espresso. </p>
</div>

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  color: red;
}

div p{
  background: yellow;
}

div p.red{
  font-size: 30px;
}