导航箭头图标在Chrome中看起来不错但在Safari和Firefox中显示边框，实际上Firefox根本不加载图像。这是我正在使用的CSS;
.icon-arrow-slide-left:before {
background-image: url(http://byjada.com/wp-content/uploads/2014/08/greyarrowleft.png);
background-repeat: no-repeat;
background-position: center;
border:none; }
链接到页面＆gt; http://byjada.com/product/rose-gold-diamond-studded-ring/