display

grid inline-grid

grid-template-rows(改变行高)

1fr 1fr repeat(3, 1fr)

grid-template-columns(改变列宽)

1fr 1fr 1fr 30px repeat(3, 1fr) 30px

【item1】grid-row

auto 2 3 2 / 4 1 / span 3

【item1】grid-column

auto 2 3 2 / 4 span 3