border-style: (边框样式)
border-style:solid dashed (上下 左右)
border-style:solid dashed double (上右下)
border-style:solid dashed double dotted(上右下左 顺时针 )
border-width: (边框宽度)
border-color: (边框颜色)
代码瘦身:
(高100宽200)