It's whitespace that's important:
button.specialButton
button
specialButton
button .specialButton
button#verySpecialButton
verySpecialButton
button #verySpecialButton
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It's whitespace that's important:
button.specialButton
- abutton
with the classspecialButton
button .specialButton
- any element with the classspecialButton
that's anywhere inside a button.button#verySpecialButton
- abutton
with the idverySpecialButton
button #verySpecialButton
- any element with the idbutton
that's anywhere inside a button.