bootstrap 4 centru div
<div class="d-flex justify-content-start">...</div>
<div class="d-flex justify-content-end">...</div>
<div class="d-flex justify-content-center">...</div>
<div class="d-flex justify-content-between">...</div>
<div class="d-flex justify-content-around">...</div>
conținutul Centrului bootstrap col
<div class="row">
<div class="col-4 d-flex justify-content-center text-center">
// for image and text
</div>
</div>
ustify-conținut: Flex-end
<div class="d-flex justify-content-end">...</div>
afișează coloana flex
.container {
display: flex;
flex-direction: column;
}
flex wrap bootstrap
<div class="d-flex flex-wrap">...</div>
coloana de direcție bootstrap flex
d-flex flex-column
bootstrap display flex
<div class="d-flex">I'm a flexbox container!</div>
coloana de direcție flex bootstrap 4
<div class="d-flex justify-content-start">...</div>
<div class="d-flex justify-content-end">...</div>
<div class="d-flex justify-content-center">...</div>
<div class="d-flex justify-content-between">...</div>
<div class="d-flex justify-content-around">...</div>