首先祝大家，在新年里，好的、善良的都都马上有。
关于css实现面包屑已经是一个典型例子了。不过今天还是与大家分享一下实现的原理。
原理：每一段元素固定宽度并向左浮动，头尾突出部分相对父元素用相对定位固定位置，默认为同一颜色，高亮设置指定样式。
详解见下图：
合并小图标，减少链接请求数量
DEMO：
- 1 第一项
- 2 第二项
- 3 第三项
- 1 第一项
- 2 第二项
- 3 第三项
- 4 第四项
- 1 第一项
- 2 第二项
- 3 第三项
- 4 第四项
- 5 第五项
运行代码
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