CSS
@color: #ff0000;
// Go Back Button
.go-back-button {
background: @color;
color: white;
font-size: .8em;
text-transform: uppercase;
letter-spacing: .2em;
padding: 10px 20px;
border: none;
margin-bottom: 50px;
width: 130px;
text-align: center;
}
Javascript
<script src="//ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script>
$('.BlogItem').prepend('<input type="button" value="Go Back" class="go-back-button" onclick="history.back(-1)" />');
$('.sqs-events-collection-item').prepend('<input type="button" value="Go Back" class="go-back-button" onclick="history.back(-1)" />');
$('.ProductItem-summary').prepend('<input type="button" value="Go Back" class="go-back-button" onclick="history.back(-1)" />');
</script>