CSS的border属性值具有可读性的书写顺序

CSS的border属性的定义： Value: [ <border> || <border> || &lt;‘border-top-color’> ] | inherit Initial: see individual properties Applies to: all elements Inherited: no Percentages: N/A Media: visual Computed value: see individual properties 由border-width，border-style，border-color，这三个部分组成，其顺序随意。