CSS yog qhov zoo tshaj plaws los tsim cov nplooj ntawv web page designs
Kev kawm sau CSS layouts yuav ua kom yooj yim, tshwj xeeb tshaj yog tias koj paub txog cov ntxhuav los tsim kev zoo nkauj ntawm nplooj ntawv web page. Tab sis thaum HTML5 pub rau lub rooj rau kev teeb tsa, nws tsis yog lub tswv yim zoo.
Cov Ntxhuav Tsis Siv
Ib yam li kev tshawb fawb xyaw, feem ntau cov neeg nyeem nyeem nyeem cov nplooj ntawv web nyob hauv qhov kev txiav txim uas lawv muaj nyob rau hauv HTML. Thiab cov ntxhuav yuav ua nyuaj rau cov nyeem ntawv nyeem kom parse. Qhov no yog vim hais tias cov ntsiab lus nyob rau hauv ib lub rooj layout, thaum linear, tsis nco ntsoov txiav txim thaum nyeem sab laug-rau-sab xis thiab saum toj-rau-hauv qab. Ntxiv rau, nrog cov ntxhuav ntawm cov txheej txheem, thiab ntau lub voj voog saum lub rooj ntawv tuaj yeem ua rau nplooj ntawv tsis yooj yim rau kev paub.
Qhov no yog vim li cas cov HTML5 specification pom zoo tiv thaiv lub rooj rau kev teeb tsa thiab vim li cas HTML 4.01 tsis tso cai. Cov nplooj ntawv web uas yoojyim pub rau ntau tus neeg siv lawv thiab yog cov cim ntawm tus kws tsim txuj ci.
Nrog CSS, koj tuaj yeem txhais ib seem li ntawm sab laug ntawm nplooj ntawv tab sis tso nws qhov kawg hauv cov HTML. Tom qab ntawd cov neeg nyeem nyeem thiab tshawb xyaw tib si yuav nyeem cov lus tseem ceeb (cov ntsiab lus) thawj zaug thiab tsis tshua tseem ceeb (navigation) kawg.
Ntxhuav Muaj Zog
Txawm tias koj tsim tau ib lub rooj nrog lub web editor, koj cov nplooj ntawv web tseem yuav nyuaj thiab tsis yooj yim. Tsuas yog cov nplooj ntawv web site yooj yim tshaj plaws, feem ntau txheej layout yuav tsum siv ntau ntau thiab cov cwj pwm thiab cov ntxhuav ntawm cov txheej txheem.
Kev tsim lub rooj zaum yuav zoo li yooj yim thaum koj ua nws, tab sis, ces koj yuav tsum tswj nws. Rau lub hli dhau los ntawm kab nws yuav tsis yooj yim rau koj nco qab vim li cas koj nested cov ntxhuav los yog lub hlwb ntau npaum li cas nyob rau hauv ib kab thiab ua li ntawd. Ntxiv rau, yog tias koj tuav cov nplooj ntawv web site ua ib tus tswv cuab, koj yuav tsum piav qhia rau txhua tus neeg seb cov rooj ua haujlwm ua haujlwm lossis xav kom lawv tau siv sijhawm ntxiv thaum lawv xav hloov.
CSS tuaj yeem nyuab ua kom zoo, tab sis nws ua kom nthuav tawm cais tawm ntawm HTML thiab ua kom yooj yim dua los tswj lub sijhawm ntev. Ntxiv rau, nrog CSS layout koj tuaj yeem sau ib daim CSS, thiab tawm tag nrho koj cov nplooj ntawv kom zoo li ntawd. Thiab thaum twg koj xav hloov lub qhov tsim ntawm koj qhov chaw, koj tsuas hloov ib daim CSS, thiab tag nrho cov chaw chnges-tsis muaj ntxiv mus los ntawm txhua nplooj ib ntawm ib lub sij hawm los mus kho cov ntxhuav los mus kho qhov teeb tsa.
Ntxhuav Tsis Tau
Thaum nws muaj peev xwm los tsim cov lus layouts nrog feem pua dav, feem ntau lawv qeeb qeeb rau thauj khoom thiab ua rau muaj kev hloov zoo li cas. Tab sis yog tias koj siv daim ntawv teev saum dav hlau rau koj cov ntxhuav, koj xaus nrog ib lub teeb tsa heev uas yuav tsis zoo rau cov kev ntsuas uas tau txawv ntawm koj tus kheej.
Tsim cov khoom yooj yooj yim uas saib zoo rau ntau cov saib, browsers, thiab cov tshuam yog yooj yim. Hauv qhov tseeb, nrog CSS xov xwm queries, koj tuaj yeem tsim cais kev tsim rau cov sib txawv me me.
Nested Tables Load Luv dua CSS rau qhov Tsim Tsim
Txoj hau kev tshaj plaws los tsim tej qhov chaw zoo nkauj nrog cov ntxhuav yog "zes" ntxhuav. Qhov no txhais tau hais tias ib qho (los yog ntau dua) cov lus tso rau hauv lwm. Qhov ntau rooj uas nested, ntev nws yuav siv rau lub web browser kom kav cov nplooj ntawv.
Feem ntau, ib lub rooj teeb tsa siv ntau cim los tsim dua CSS qauv. Thiab tsawg dua cov cim txhais tau tias tsawg dua mus download tau.
Ntxhuab Lub Cev Nrhiav Kev Tshawb Nrhiav Lub Cav Optimization
Cov txheej txheem tshaj plaws uas tsim tau teeb tsa muaj ib qho chaw nyob ntawm sab laug ntawm nplooj ntawv thiab cov ntsiab lus tseem ceeb ntawm sab xis. Thaum siv cov ntxhuav, qhov no (feem ntau) yuav tsum tau hais tias thawj cov ntsiab lus uas qhia hauv HTML yog qhov kev sib tshuam sab laug. Kev tshawb fawb xyaw nrog cov nplooj ntawv raws li cov ntsiab lus, thiab ntau lub cav txiav txim siab tias cov ntsiab lus tso tawm rau sab saum toj ntawm nplooj ntawv tseem ceeb dua lwm cov ntsiab lus. Yog li, ib nplooj ntawv nrog navigation-ua ntej, yuav tshwm sim rau cov ntsiab lus uas tsis tshua tseem ceeb tshaj qhov kev qhia.
Siv CSS, koj tuaj yeem muab cov ntsiab lus tseem ceeb ua ntej hauv koj cov HTML thiab siv CSS los txiav txim seb nws yuav tsum tau muab tso rau qhov tsim. Qhov no txhais tau hais tias kev tshawb xyuas xyaw yuav pom cov ntsiab lus tseem ceeb ua ntej, txawm tias qhov chaw tsim nws qis dua ntawm nplooj.
Cov Khoom Rov Qab Los & # 39; Always Print Well
Muaj ntau cov lus tsim tsis zoo sau vim lawv tsuas yog qhov dav rau lub tshuab luam ntawv. Yog li, kom lawv haum, browsers yuav txiav cov ntxhuav tawm thiab sau tshooj hauv qab no uas ua rau cov nplooj ntawv sib txawv heev. Qee lub sij hawm koj xaus nrog cov nplooj ntawv uas zoo zoo, tab sis lub sab xis tag nrho yog ploj lawm. Lwm cov nplooj ntawv yuav luam tawm rau cov nplooj ntawv ntau ntxiv.
Nrog CSS koj muaj peev xwm tsim tau ib daim ntawv teev lus cais tshwj xeeb rau luam ntawv.
Ntxhuav rau Layout yog Invalid nyob rau hauv HTML 4.01
HTML 4 specification hais tias: "Cov zauv yuav tsum tsis txhob siv purely raws li ib tug txhais tau tias cov ntaub ntawv tso tawm cov ntsiab lus raws li qhov no yuav nthuav tawm cov teeb meem thaum uas ua rau cov duab tsis yog duab."
Yog li, yog tias koj xav sau cov HTML 4.01, koj siv tsis tau cov rooj rau kev teeb tsa. Koj yuav tsum tsuas yog siv cov ntxhuav rau cov ntaub ntawv tabular. Thiab cov ntaub ntawv tabular feem ntau zoo nkaus li ib yam dab tsi uas tej zaum koj yuav tso tawm rau hauv ib qho kev tshaj tawm lossis muaj peev xwm database.
Tab sis HTML5 hloov cov cai thiab tam sim no ntxhuav rau layout, thaum tsis pom zoo, yog tam sim no siv HTML. HTML5 specification hais tias: "Txheej txheem yuav tsum tsis txhob siv cov teeb tsa kev teeb tsa."
Vim hais tias cov lus rau layout yog nyuaj rau cov nyeem screeners mus sib txawv, raws li kuv hais saum toj no.
Siv CSS rau txoj hauj lwm thiab kev teeb tsa koj cov nplooj ntawv yog qhov siv tau HTML 4.01 nkaus xwb uas tau txais cov qauv koj siv los ua rooj los tsim. Thiab HTML5 xav kom zoo li no.
Cov Quav Rau Layout Yuav Ua Rau Koj Cov Haujlwm Pom Zoo
Raws li ntau tus neeg tsim khoom tsim dua tshiab kawm HTML thiab CSS, koj cov kev txawj ntawm kev tsim cov lus layouts yuav yog tsawg dua thiab tsawg dua. Tau, nws yog qhov tseeb tias cov neeg siv khoom tsis qhia rau koj paub tias cov cuab yeej siv koj yuav tsum siv los tsim lawv cov nplooj ntawv web. Tab sis lawv nug koj rau tej yam xws li:
- Cov nplooj ntawv siv tau yooj yim: cov qauv tsim tawm los ntawm cov nyeem ntawv nyeem yog raug cai los ntawm ntau lub teb chaws thiab cov tuam txhab nrhiav tau kev siv ntau dua txhua hnub.
- Cov nplooj ntawv tuav pov hwm: tsim kom lawv tuaj yeem nqa nrog lawv txawm tias koj tsis ua raws li yav tom ntej.
- Cov qauv tsim tawm: cov qauv tsim ua haujlwm thoob plaws ntau lub browsers, cov kev cai, thiab cov khoom siv.
- Yoo downloading nplooj ntawv: ceev yog qhov ntau thiab tseem ceeb, txawm tias SEO.
- Cov khoom tsim tawm: cov nplooj ntawv luam tawm uas tsis muaj ntawv sau tshwj xeeb lossis ntxiv cov nplooj ntawv.
Yog tias koj xa tsis tau cov neeg thov kev pabcuam, lawv yuav txwv tsis pub tuaj rau koj vim tsim, tsis yog hnub no, tabsis tej zaum xyoo tom ntej lossis xyoo tomqab. Koj puas muaj peev xwm cia koj lub lag luam raug kev tsim txom vim tias koj tsis kam pib txoj kev kawm txog cov txheej txheem uas tau siv txij thaum xyoo 1990 los lawm?
Cov Pog: Kawm Kom Siv CSS
CSS tej zaum yuav nyuaj rau koj kawm, tab sis txhua yam tsim nyog yog tsim nyog rau kev siv zog. Tsis txhob cia koj cov kev txawj los ntawm kev ua pa. Kawm CSS thiab tsim koj cov nplooj ntawv web li qhov lawv tau hais los ua-nrog CSS rau kev teeb tsa.