Bootstrap e hahiloe holim'a marang-rang a 12-kholomo e arabelang. Hape re kenyelelitse meralo e tsitsitseng le bophara ba metsi ho latela sistimi eo.
Sistimi ea grid ea kamehla e fanoeng e le karolo ea Bootstrap ke 940px-wide, 12-column grid .
E boetse e na le mefuta e mene e arabelang bakeng sa lisebelisoa le liqeto tse fapaneng: mohala, setšoantšo sa letlapa, sebopeho sa tafole le li-desktops tse nyane, le li-desktops tse kholo tse sephara.
- <div class = "row" >
 - <div class = "span4" > ... </div>
 - <div class = "span8" > ... </div>
 - </ div>
 
Joalokaha ho bontšitsoe mona, moralo oa motheo o ka etsoa ka "likholomo" tse peli, e 'ngoe le e' ngoe e nka likarolo tse 12 tsa motheo tseo re li hlalositseng e le karolo ea tsamaiso ea rona ea marang-rang.
- <div class = "row" >
 - <div class = "span4" > ... </div>
 - <div class = "span4 offset4" > ... </div>
 - </ div>
 
Ka sistimi e tsitsitseng (e seng mokelikeli) ho Bootstrap, ho haha sehlaha ho bonolo. Ho hlophisa litaba tsa hau, kenya feela likholomo tse ncha .rowka .span*har'a .span*kholomo e teng.
- <div class = "row" >
 - <div class = "span12" >
 - Boemo ba 1 ba kholomo
 - <div class = "row" >
 - <div class = "span6" > Mohato 2 </div>
 - <div class = "span6" > Mohato 2 </div>
 - </ div>
 - </ div>
 - </ div>
 
| E fetohang | Boleng ba kamehla | Tlhaloso | 
|---|---|---|
@gridColumns |  
       12 | Palo ea litšiea | 
@gridColumnWidth |  
       60px | Bophara ba kholomo ka 'ngoe | 
@gridGutterWidth |  
       20px | Sebaka se fosahetseng pakeng tsa litšiea | 
@siteWidth |  
       Kakaretso e bakiloeng ea litšiea tsohle le li-gutters | E bala palo ea litšiea le li-gutter ho beha bophara ba .container-fixed()motsoako |  
      
E hahiloe ka har'a Bootstrap ho na le mefuta e 'maloa e fapaneng bakeng sa ho iketsetsa sistimi ea grid ea 940px, e ngotsoeng ka holimo. Liphetoho tsohle bakeng sa marang-rang li bolokiloe ka mefuta-futa.e fokolang.
Ho fetola grid ho bolela ho fetola @grid*mefuta e meraro le ho khutlisetsa Bootstrap. Fetola li-grid tse feto-fetohang ka mefuta-futa.e fokolang 'me u sebelise e' ngoe ea litsela tse 'nè tse ngotsoeng ho bokella hape . Haeba u eketsa litšiea tse ling, etsa bonnete ba hore u kenya CSS bakeng sa ba leng grid.less.
Ho ikamahanya ha grid ho sebetsa feela maemong a kamehla, grid ea 940px. Ho boloka likarolo tse arabelang tsa Bootstrap, o tla tlameha hape ho hlophisa li-grid ka mokhoa o arabelang.less.
Sebopeho sa kamehla le se bonolo sa 940px-wide, se bohareng bakeng sa sebaka sa marang-rang sefe kapa sefe kapa leqephe le fanoeng ke <div class="container">.
- <'mele>
 - <div class = "setshelo" >
 - ...
 - </ div>
 - </ mmele>
 
<div class="container-fluid">e fana ka sebopeho sa leqephe se feto-fetohang, bophara ba min- le max-widths, le karolo e ka letsohong le letšehali. E ntle bakeng sa lisebelisoa le litokomane.
- <div class = "container-fluid" >
 - <div class = "row-fluid" >
 - <div class = "span2" >
 - <!--Likahare tsa Sidebar-->
 - </ div>
 - <div class = "span10" >
 - <!--Dikahare tsa mmele-->
 - </ div>
 - </ div>
 - </ div>
 
 
     Bootstrap e ts'ehetsa lipotso tse 'maloa tsa media ho thusa ho etsa hore merero ea hau e be e loketseng lisebelisoa tse fapaneng le liqeto tsa skrineng. Mona ke tse kenyellelitsoeng:
| Label | Bophara ba sebopeho | Bophara ba kholomo | Bophara ba sekoti | 
|---|---|---|---|
| Li-smartphone | 480px le ka tlase | Litšiea tsa metsi, ha ho bophara bo tsitsitseng | |
| Matlapa a setšoantšo | 480px ho isa ho 768px | Litšiea tsa metsi, ha ho bophara bo tsitsitseng | |
| Matlapa a sebopeho sa naha | 768px ho isa ho 940px | 44px | 20px | 
| Ea kamehla | 940px ho ea holimo | 60px | 20px | 
| Pontšo e kholo | 1210px ho ea holimo | 70px | 30px | 
Lipotso tsa mecha ea litaba li lumella CSS e tloaelehileng ho latela maemo a 'maloa-karolelano, bophara, mofuta oa pontšo, joalo-joalo-empa hangata e lebisa tlhokomelo ho pota-pota min-widthle max-width.
Bootstrap ha e kenyelle lipotso tsena tsa media ka bo eona, empa ho li utloisisa le ho li eketsa ho bonolo haholo mme ho hloka ho seta ho fokolang. U na le likhetho tse 'maloa tsa ho kenyelletsa likarolo tse arabelang tsa Bootstrap:
Ke hobane'ng ha u sa e kenyelle feela? Ha e le hantle, ha se ntho e 'ngoe le e' ngoe e lokelang ho etsoa. Sebakeng sa ho khothaletsa baetsi ho tlosa tšobotsi ena, re bona ho le molemo ho e nolofalletsa.
- // Mehala ya naha le tlase
 - @media ( max - wide : 480px ) { ... }
 - // Mohala oa naha ho letlapa la setšoantšo
 - @media ( max - wide : 768px ) { ... }
 - // Letlapa la litšoantšo ho sebopeho sa naha le komporo
 - @media ( min - width : 768px ) le ( max - width : 940px ) { ... }
 - // desktop e kholo
 - @media ( min - width : 1200px ) { .. }