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标准中说的是
If three or four values are given, then each or represents an offset and must be preceded by a keyword, which specifies from which edge the offset is given.
edge应该不包括center。
The text was updated successfully, but these errors were encountered:
Properties -> background -> background-position
说明中的第二条:
给偏移量添加关键字时只有边界left-right-top-bottom,而不能是center。
标准中说的是
If three or four values are given, then each or represents an offset and must be preceded by a keyword, which specifies from which edge the offset is given.
edge应该不包括center。
The text was updated successfully, but these errors were encountered: