Ukuqala kweCSS
I-CSS incike kwimimiselo yokufanisa iphethini ukuchonga ukuba yeyiphi isitayela esetyenziswa kuyo nayiphi na into ebhaliweyo. Amaphetheni abizwa ngokuba ngabakhethiweyo kwaye ahlula kumagama esetekethi (umzekelo, p ukufanisa amathegi omhlathi) kwiipateni ezinzima kakhulu ezihambelana nendawo ezithile zedokethi (umzekelo, p # myid> b.ghgh iklasi lokugqamisa eli ngumntwana womhlathi kunye ne-myid id).
Umkhethi we-CSS yinxalenye yefowuni yefayile yeCSS echaza ukuba yiyiphi inxalenye yephepha lewebhu elimele libhalwe. Umkhethi uqukethe enye okanye iipropati ezininzi ezichaza indlela i- HTML ekhethiweyo eya kubhalwe ngayo.
Selecteurs CSS
Kukho iintlobo ezahlukeneyo zezikhethi:
- uhlobo lweefowuni-oluhambelana nento ethile
- iinkalo ezikhethiweyo ezikhethiweyo kunye neklasi ethile
- Abakhethi be-ID-bahambelana nesalathisi nge-ID ethile
- abakhethi bezinto ezikhethiweyo-izixhobo zokugcina izinto eziyinzala ethile
- izinto ezikhethiweyo zabantwana abakumntwana wento ethile
- abakhethi-be-universal-matching any element
- abazalwana abasondelene nabo abakhethiweyo ngokukhawuleza bahamba phambili kwinto ethile
- zibonisa izinto ezikhethiweyo ezikhethiweyo kunye nenqobo ethile okanye ixabiso lexabiso
- amacandelo okukhetha amanani abalinganiswa kunye neqela elithile lenkcazo
- iinkalo ezikhethiweyo ezikhethiweyo ezikhethiweyo kunye neendawo ezithile zeepro-element element
Fomathi Iifayile zeCSS kunye neeCec Selectors
Ifomathi yesitayela seCSS ibonakala kanje:
Umkhethi {impahla yesitayela: isitayela; }
Abakhethi abahlukeneyo abaninzi abanesimo esifanayo kunye neefowuni. Oku kubizwa ngokuba yiqela lokukhetha. Umzekelo:
umkhethi1 , i- selector2 {ifayile yesakhiwo: isitayela; }
Ukwahlula abakhethiweyo kuyindlela efutshane yokugcina i-compact CSS yakho.
Iqela elikhankanywe ngasentla liya kuba nempembelelo efanayo:
umkhethi1 {isakhiwo sesitayela: isitayela; }
umkhethi 2 {isakhiwo sesitayela: isitayela; }
Hlala uvavanya i-Selection CSS yakho
Azikho zonke iiphequluli ezixhasa bonke abakhethi beCSS. Ngoko qiniseka ukuba uvavanye abakhethi bakho kwiiphepheli ezininzi kwiindlela ezininzi zokusebenza njengoko unako. Kodwa ukuba usebenzisa i-CSS 1 okanye i-CSS2 kufuneka ukwenze kakuhle.