在页脚中添加以下代码。php和它对我有用：

<div class="buttons" style="margin-top: 12%; float:right; position: relative; ">
<a href="http://sanchibags.com/index.php/cart/" title="Goto Cart" class="btn btn-primary btn-lg" style="position: fixed; right: 0; bottom: 0;"> 
<i class="fa fa-shopping-cart"></i> Goto Cart</a>