Video: Vim li cas bootstrap siv cov npoo tsis zoo?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Kab muaj ib tsis zoo sab laug / sab xis paj ntaub ua -15px. Lub Thawv padding ntawm 15px yog siv los tiv thaiv cov tsis zoo margins ntawm kab. Qhov no yog kom cov ntsiab lus sib npaug sib npaug ntawm cov npoo ntawm qhov layout. Yog hais tias koj tsis muab ib Kab nyob rau hauv ib lub Thawv, Kab yuav dhau nws lub thawv, ua rau ib tug undesirable kab rov tav scroll.
Hais txog qhov no, vim li cas bootstrap kab muaj qhov tsis zoo?
Nyob rau hauv tag nrho daim phiaj systems, muaj gutters nruab nrab ntawm txhua kab. chav kawm kawg ntawm cov kab ntawv li qee qhov daim phiaj systems ua, lawv hloov lub. kab chav kawm kom muaj tsis zoo margins uas phim cov padding ntawm kab. Qhov no "rub" cov gutters tawm ntawm thawj kab thiab kab kawg, thaum tib lub sij hawm ua kom dav.
Tsis tas li ntawd, kuv yuav ua li cas nruab ib div hauv bootstrap 4? 1 - Vertical Center Siv Auto Margins Ib txoj hauv kev vertically chaw yog siv kuv-auto. Qhov no yuav chaw tus keeb hauv nws flexbox thawv (Lub Bootstrap 4 . kab yog zaub: flex). Piv txwv li, h-100 ua rau kab tag nrho qhov siab, thiab kuv-auto yuav vertically chaw col-sm-12 kab.
Tom qab ntawd, yuav ua li cas kuv teeb cov npoo hauv bootstrap?
t -sets paj ntaub -top los yog padding-top. b - sets paj ntaub - hauv qab los yog padding-hauv qab. l -sets paj ntaub - sab laug los yog padding-sab laug. r -sets paj ntaub - txoj cai los yog padding-txoj cai.
Ntau qhov piv txwv.
| .m-# / m-*-# | margin ntawm txhua sab | Sim nws |
|---|---|---|
| .my-# / kuv-*-# | margin saum thiab hauv qab | Sim nws |
| .p-# /p-*-# | padding rau txhua sab | Sim nws |
Dab tsi yog qhov bootstrap breakpoints?
Teb cov ntsiab lus tawg Cov no cov ntsiab lus tawg feem ntau yog raws li qhov tsawg kawg nkaus qhov dav dav dav thiab tso cai rau peb los ntsuas cov ntsiab lus raws li qhov pom qhov hloov pauv. Bootstrap Feem ntau yog siv cov lus nug hauv qab no los yog cov ntsiab lus tawg -hauv peb qhov chaw Sass cov ntaub ntawv rau peb qhov kev teeb tsa, kab sib chaws, thiab cov khoom siv.
Pom zoo:
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