.xxx is a class that does not affect
.xxx is a class that does not affect
elementA+elementB
Select all elementB
immediately following elementA
.
is next to the selector. Choose the sibling .xxx: after element closest to question .xxx: checked,
http://www.runoob.com/cssref/.
to find the next element next to one element, in other popular words: find the next brother. For example: eldest brother + younger brother, you can find the second.
the document is in here