safari浏览器有个兼容性问题,解决办法是不要设置border-color为transparent,将border属性分开写即可。
border-image-slice: 11;
border-image-width: 12px;
border-image-outset: 0;
border-image-repeat: round;
border-image-source: url(./images/border_image.png);
border-width: 2px;
border-style: solid;