Amakhompyutha, Izinhlelo
Kugcizelelani okuhlobisa CSS-izakhi
Ubuchwepheshe Olwandisekayo has imisebenzi emibili umklamo we-HTML-Amakhasi. Okokuqala, ngosizo yayo, kukhona isikhundla kumiswa izakhi ngabanye isayithi. Okwesibili, kwenza amayunithi ihehe umsebenzisi. Ukuqala kokusetshenziswa umsebenzi yesibili ivela ngezindlela eziningi. Omunye wabo - agcizelela. CSS sihlinzekela umhlobiso le mfanelo umbhalo-.
Ukucaciswa irekhodi imfanelo
Sebenzisa umbhalo- impahla umhlobiso ilula. Enough ukubhalisa ikhodi ifayela CSS, ulayini olandelayo lento:
umhlobiso umbhalo-: znachenie_atributa;
Esikhundleni "znachenie_atributa» CSS sebhithi inikeza eziningi ongakhetha:
- dwebela - umugqa elise ngokuqondile ngaphansi umbhalo;
- overline - umugqa esisuka phezulu letikhetfwe etheksthini lephelele;
- noyedwa - ukususwa kwabo bonke imiphumela zokuhlobisa;
- ifa - ubamukela ukubaluleka element umzali.
I Izindaba ezingenhla azilona zonke izindlela zokuqopha, njengoba le mfanelo icacisa hhayi kuphela kugcizelelani CSS, kodwa imiphumela, njengokuthi "ngokuphazamisa" noma umbhalo ukuhlikihla.
Izibonelo design izixhumanisi
Beginners e nomklamo wewebhu kanye izinhlelo, umbuzo ophakamayo: kungani sendaba embhalweni? Ngesikhathi kuqala inkathi inthanethi ubuchwepheshe le ndlela kwesabelo umsebenzisi yokuthi phambi kwakhe kuyinto oxhumano - uzobe umbhalo, ngokuchofoza okuyinto eyenziwa kwathatha ekhasini elisha.
Ngokuzenzakalelayo, Isixhumanisi impahla setha ukudwebela. Ekusebenteni, kunenkinga ukususa umugqa kusukela kumadivayisi alisebenzi futhi kubonakale njengoba umsebenzisi ushukumisela pointer igundane. Nasi isibonelo ikhodi ukuthi ikhubaza izixhumanisi kugcizelelani CSS:
a {ukuhlotshiswa kombhalo: lutho; }
Ukuze uthole amalinki asebenzayo usebenzisa ukungena okulandelayo:
a: lokuhambisa phezulu {ukuhlotshiswa kombhalo: dwebela;}
kugcizelelani okuhlobisa okuthuthukisiwe
Imfanelo Standard umbhalo- umhlobiso has ukulinganiselwa eziningana:
- umugqa umbala sihluke umbala umbhalo isixhumanisi, akunakwenzeka ukuhlukanisa phakathi "Umbala" yabo;
- umugqa okuqinile kuphela isetshenziswa njengoba oludwetshelwe. CSS aluhileli ukusetshenziswa nezinye izitayela mark.
Kodwa amasu ezikhethekile ukusiza dlula ukubukeka okunesithunzi kombhalo. Esimweni sokuqala, ukusetha isixhumanisi usebenzisa ithegi ozikhethela .
Ngokwesibonelo:
"> oxhumano
. >
Ngenxa yalokho, igama elithi ekhasini le oxhumano bayolotshwa phansi okwesibhakabhaka futhi umbala line kuyoba bomvu.
Enye indlela ethuthukisiwe ivumela CSS kugcizelelani ukuthi, - komngcele-phansi. Isibonelo ngezansi sibonisa ukusebenzisa kwayo:
a {umngcele-ngezansi: 1px okuqinile abomvu;}
Umphumela walokhu uyoba kuyafana esidlule. Kodwa le ndlela has inzuzo obalulekile. Ngaphezu ekushintsheni umbala umugqa (okwamanje isethwe abomvu - abomvu), kungenzeka uguqule Umbhalo indlela:
- ezinamachashazi - oveza iphuzu kugcizelela;
- kunodeshi - umugqa siqukethe imivimbo;
- double - udvweba umugca double.
Ngakho, attribute phansi border- ukusebenza ngaphezulu. Ngaphezu ngokubonisa umugqa zokuhlobisa ngezansi umbhalo, kwenza kube nokwenzeka ukuba ngokwezifiso ukubukeka kwayo.
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