SO - 24759358
by Arun P Johny
HTML
<div class="bigfont-m capsletter">1</div>
<div class="headfont6 text-overhide">2</div>
CSS
.wrapper {
border: 1px solid red;
}
JavaScript
$('.bigfont-m.capsletter, .headfont6.text-overhide').wrapAll('<div class="wrapper"/>')