Avanoa
O le Bootstrap e aofia ai le tele o vaega fa'apitoa e tali mai fa'apu'upu'u ma vasega fa'aoga fa'apipi'i e sui ai foliga o se elemene.
E faapefea ona galue
Tofi tali-faauo marginpo o paddingtulaga faatauaina i se elemene po o se vaega itiiti o ona itu ma vasega pupuu. E aofia ai le lagolago mo meatotino ta'itasi, meatotino uma, ma mea tu'usa'o ma fa'ata'atia. O vasega e fausia mai se fa'afanua fa'aletonu Sass e amata mai .25remi le 3rem.
Notation
Fa'aoga avanoa e fa'aoga i vaega ta'oto uma, mai xsi le xl, e leai se fa'apu'upu'u va'aiga i totonu. E mafua ona o na vasega o loʻo faʻaoga mai min-width: 0ma luga, ma o lea e le o noatia i se fesili a le aufaasālalau. Ae peitai, o vaega o totoe, e aofia ai se faapuupuuga.
O vasega ua faaigoaina e faaaoga ai le faatulagaga {property}{sides}-{size}mo xsma {property}{sides}-{breakpoint}-{size}mo sm, md, lg, ma xl.
Afai o meatotino o se tasi o:
- m- mo vasega ua setiina- margin
- p- mo vasega ua setiina- padding
O fea itu o se tasi o:
- t- mo vasega e seti- margin-toppe- padding-top
- b- mo vasega e seti- margin-bottompe- padding-bottom
- l- mo vasega e seti- margin-leftpe- padding-left
- r- mo vasega e seti- margin-rightpe- padding-right
- x- mo vasega e seti uma- *-leftma- *-right
- y- mo vasega e seti uma- *-topma- *-bottom
- avanoa - mo vasega e seti se marginpo'opaddingluga uma 4 itu o le elemene
Ole tele ole tasi ole:
- 0- mo vasega e aveese le- marginpo- paddingo le setiina i- 0
- 1- (e ala i le faaletonu) mo vasega e setiina le- marginpo- paddingo le- $spacer * .25
- 2- (e ala i le faaletonu) mo vasega e setiina le- marginpo- paddingo le- $spacer * .5
- 3- (e ala i le faaletonu) mo vasega e setiina le- marginpo- paddingo le- $spacer
- 4- (e ala i le faaletonu) mo vasega e setiina le- marginpo- paddingo le- $spacer * 1.5
- 5- (e ala i le faaletonu) mo vasega e setiina le- marginpo- paddingo le- $spacer * 3
- auto- mo vasega e setiina le- margini le auto
(E mafai ona e faʻaopoopoina le tele o lapopoa e ala i le faʻaopoopoina o faʻamaumauga i le $spacersfesuiaiga o faʻafanua Sass.)
Faataitaiga
O nisi nei o fa'ata'ita'iga fa'atusa o nei vasega:
.mt-0 {
  margin-top: 0 !important;
}
.ml-1 {
  margin-left: ($spacer * .25) !important;
}
.px-2 {
  padding-left: ($spacer * .5) !important;
  padding-right: ($spacer * .5) !important;
}
.p-3 {
  padding: $spacer !important;
}Tutotonuga faalava
E le gata i lea, o le Bootstrap e aofia ai foi ma se .mx-autovasega mo le fa'ata'atiagatonugatonu-lautele poloka tulaga anotusi—o lona uiga, mea o lo'o i ai display: blockma se widthseti-e ala i le setiina o laina fa'alava ile auto.
<div class="mx-auto" style="width: 200px;">
  Centered element
</div>Fa'ailoga le lelei
I totonu o le CSS, margine mafai e meatotino ona fa'aoga tulaga le lelei ( paddinge le mafai). E pei o le 4.2, ua matou fa'aopoopoina mea fa'aoga le lelei mo ta'iala uma e le-zero o lo'o lisiina i luga (fa'ata'ita'iga, 1, 2, 3, 4, 5). O mea aoga nei e fetaui lelei mo le fa'avasegaina o alavai laina laina i luga ole va'aiga.
O le syntax e toetoe lava tutusa ma le fa'aletonu, fa'aoga lelei pito i tua, ae fa'atasi ai ma le fa'aopoopoina na'o le'i o'o i le tele o lo'o talosagaina. O se fa'ata'ita'iga lea o vasega e fa'afeagai ma .mt-1:
.mt-n1 {
  margin-top: -0.25rem !important;
}O se fa'ata'ita'iga lea o le fa'avasegaina o le fa'asologa o le Bootstrap i le va'aiga ( md) vaeluaga ma luga. Ua matou fa'aopoopoina le .colpadding .px-md-5ma ona fa'afeagai lea ma .mx-md-n5le matua .row.
<div class="row mx-md-n5">
  <div class="col py-3 px-md-5 border bg-light">Custom column padding</div>
  <div class="col py-3 px-md-5 border bg-light">Custom column padding</div>
</div>