CSS Imiphumela: ajikelezayo izakhi

Syntax Cascading Style Sheets yakhelwe ngakho nje ukuthi kungenzeka yokuthola umklamo ezingalindelekile iyatholakala ngisho kude izinhlelo kanye nokuthuthukiswa amasayithi womuntu. Mhlawumbe yokuthi izingane ukudlala amabhlogo bahlala enkumbulweni wonke umuntu, sebenzisa isipiliyoni yehlukene kaningi okubalwa ku-HTML, CSS kulula.

Nokho, izinhlelo zamanje namanje ekude kakhulu nekwetfula ezakhiwe engokoqobo. Kuze kube manje, kunoma iyiphi indawo (matasa yini oyithandayo block elementi) kunoma iyiphi incazelo yalo kanye nokuqokwa loluhlelekile umumo elingunxande, kwakhiwa okuyinto ngaphakathi oyifunayo ijika nentaba umugqa.

Kuze kube manje, yimuphi umbuthano, ukuqoqa engaba, indlela ngqo lwalugobile nokunye. P. Ichaza eziyinkimbinkimbi zezibalo noma cubes ezincane kakhulu, trapezoids, onxantathu noma ezinye izinto rectilinear ukuthi kukhona akachazeki kweso iphuzu emgqeni.

design Classic Straight

Akumangazi ukuthi intuthuko emkhakheni lwezinhlelo nolwazi ubuchwepheshe ibhaliswe ngokomthetho design unxande. imibono akazange achithe isikhathi ku umumo oyindilinga, kodwa ungakhohlwa ukwethula anawo kunjiniyela izici ngokwanele futhi tags imithetho, CSS nezilimi izinhlelo ahlobene at.

Noma yimuphi isici esetshenziswa ekhasini kuyinto endaweni elingunxande, lapho lwabelwe izingxenye eziningana, kufanele kusetshenziswe zazo esimweni ngasinye kufanele kudingekile kuphela ucabangela nezimfuneko krossbrauzernosti izici yomdwebo okuqukethwe etholakalayo ezakhiwe syntactic.

Imithetho jikelele for CSS

Cascading Style Sheets ukunikela ukuchaza izakhi kanje:

• impahla: Inani.

Kulokhu, impahla - igama ethize kanye value kungaba noma ngabe igama noma uhlu lwamagama noma amanani.

Ngokuphathelene izakhi block kanye nesidingo ukwenza nge-CSS imikiswe emakhoneni, kunengqondo ukusebenzisa impahla umngcele-engaba nokubaluleka kwalo ngefomethi "38px" noma "8px 16px 24px 38px".

Uma ukubaluleka eyanikezwa inombolo eyodwa, ke azosethwa labo ngato tonkhe tinhlangotsi. Record wonke amanani ezine yilezi:

• Inombolo yokuqala - ukuba ekhoneni elingenhla esinxeleni;
• yesibili - kuya kwesokudla engenhla;
• eyesithathu - engezansi kwesokudla;
• zakamuva - kuya osezansi kwesobunxele.

Ukwabelana ezinye imithetho

Concepts umngcele, isithombe bese ngemuva ingasetshenziswa ndawonye. Lokhu kuvamile futhi ukhulume imithetho ungagxambukeli nomunye, ukwakha ukwakheka jikelele. Into esemqoka - ukuba alandise ngala yokuthi igama ngamunye wabo limelela, futhi kanjani it isicelo.

Ngaphambi zisebenzise lokhu noma lokhuya isici, kubalulekile ukuqhuba eminye ucwaningo kanye test umsebenzi iziphequluli eziningi. Umumo iseluleko, izincomo, izibonelo ezivela eceleni noma CSS-syntax laphetha emakhoneni, nokunye. N. Ingabe kuyaqabukela ungcono siqu umkhuba wabo fresh.

Kubalulekile ukuqonda ukuthi umngcele, isithombe, mayelana design engeli - uhlobo olufanayo umqondo. Umdwebo kungenziwa ayetfulekanga e png-format. Yena, lowo muntu uyakunqunywa isiphequluli, ngokuvumelana nemithetho aqiniswa CSS. ajikelezayo - kunjiniyela okhathalelayo, kungakhathaliseki squareness we indaba umthombo.

Izici HTML, CSS kusuka iziphequluli

Siyakwamukela isitayela ukuqoshwa wholesale - kubo bonke iziphequluli ngesikhathi esisodwa. Kunjalo izibonelo zakudala eyayinesihloko esithi "CSS: imikiswe emakhoneni" sipho ukubhala ngakho:

ingemuva: # FF7F00; / * Background * /

umngcele: 1px #CCCCCC okuqinile; / * Border * /

-moz-umngcele-engaba: 10px; / * CSS imikiswe emakhoneni ngoba Mozilla Firefox * /

-webkit-umngcele-engaba: 10px; / * ... ngokuba Safari kanye ne-Chrome * /

-khtml-umngcele-engaba: 10px; / * ... Konquerer * /

umngcele-engaba: 10px; / * I-CSS imikiswe emakhoneni kwabobonke abantu * / nokunye. N.

Nokho, ezimweni eziningi kwanele ucacise umthetho wokugcina. Redundancy kumele isetshenziswe kuphela uma kunesidingo sangempela.

ithebula Classic futhi emangalisayo

Naphezu eziningi nezimpikiswano abasekeli isakhiwo sethebula (tr, td) futhi ukukhetha usebenzisa div tags kanye span ( «ezimangalisayo" isakhiwo), inhloso umkhuba sakubona kukuhle ukukhetha kuyadingeka.

Ngo divs isithunzi abanye kwesinye amatafula. Uma bengakuqondi umphelelisi nomunye, futhi nje ukuncintisana, umbuzo ngabe ayahwamuka kwelinye okufushane ehlanganisa izici engcono amathebula kanye divs ngokushesha.

Iningi amasayithi wadala usebenzisa CMS (okuqukethwe ukuphathwa system), futhi kulahlwe kunjiniyela ayilethwa nje yilokho anhlobonhlobo imininingwane yohlelo "giant" of amafayela anokwaziswa, izinto, kodwa futhi amatafula.

Tag [div | span], njengoba enjalo, akemi, kodwa into kuphela eliza ngaso isihe ephelele unjiniyela - a Olwandisekayo CSS. Futhi iyiphi-CMS ehlukanisa ngokucacile ikhodi, ingxenye yayo kusukela lokusungula lonjiniyela nezitayela yabo isitayela wanezela, futhi esimweni izinguquko (isib, CSS - ukuqoqa amakhona etafuleni), ungakwazi njalo ukubuyisela izilungiselelo izitayela ezizenzakalelayo.

Curves nama-engeli engamboziwe syntax

Ungakwazi ngokuqinile bathobele yonke imithetho ye-HTML, CSS, kodwa ukuba yalokho, kungukuthi enikeziwe. Superimposing izakhi komunye nomunye, kungenzeka ukuthola esifundeni yikuphi ukucushwa. Ukusebenzisa PHP-ukuthuthukiswa on the server, ungathumela kusiphequluli yesivakashi kanye nanoma yimaphi amafayela isitayela ukunamathisela kubo ikhodi elifanele JavaScript umzimba we-HTML-ifayela noma ehlukile JS-fayela.

Noma yimuphi okuhlukile wesifunda, noma yiluphi uhlobo impahla isici imithetho CSS! ajikelezayo - nje esithile, kanye namathuba yangempela ngobubanzi okuningi. Kulokhu, uHlelo izinto zakho siqu, awukwazi sinake izici iziphequluli ngabanye, sebenzisa kuphela tags kanye nesakhiwo izilimi uxhumano, okuyinto ziqondakala wonke, ngaphandle kokukhetha iziphequluli.

Ukusebenzisa umqondo lwezinhlelo into-ngamakhasimende, ungakwazi ukuklama ukubukeka legumbi noma ijika okusobala ngeke kusengaphambili yimaphi amafomu isiphequluli. Kulokhu, akudingekile ukuthi lokhu kuzoba Ekhoneni endaweni, lapho wadalwa eyisidalwa ukuma elingunxande. Kubalulekile ukuthi izingxenye ijika ezichazwe ngendlela imithetho CSS, zenziwe ezibukwayo-JavaScript nekhowudi into bese ngesikhathi esifanele ngakwesokudla endaweni kusiphequluli, ibonisa uqobo ifomu elifanele.

Lobu buchwepheshe kungaphazamisi izinto ezifana ukuqaphela ngokwabo ngakuthathu indiza noma bonisa izithombe.