A.上填充 B.底填充 C.左填充 D.右填充
A.border-top-width B.border-style C.border-width D.border-color
A.dashed:點劃線構(gòu)成的虛線邊框 B.dotted:點構(gòu)成的虛線邊框 C.solid:實線邊框 D.double:雙實線邊框