jquery css()

HTML

<div class="test">
fsdfsd
</div>
<div class="test">
erfefref
</div>
<div class="test">
referfer
</div>
<div class="test">
rfefre
</div>

CSS

.test {
  width: 100px;
  height: 100px;
  margin-bottom: 10px;
}

JavaScript

$(document).ready(function() {
  $(".test").css("text-align", "right");
});