Udindo

Gwiritsani ntchito zida zazifupizi kuti mukonze mwachangu malo a chinthu.

Patsamba ili

Makhalidwe abwino

Makalasi oyika mwachangu akupezeka, ngakhale salabadira.

<div class="position-static">...</div>
<div class="position-relative">...</div>
<div class="position-absolute">...</div>
<div class="position-fixed">...</div>
<div class="position-sticky">...</div>

Konzani zinthu

Konzani zinthu mosavuta ndi zida zoyikira m'mphepete. Mawonekedwe ake ndi {property}-{position}.

Kumene katundu ndi imodzi mwa:

toptop- kwa malo ofukula
start- pa leftmalo opingasa (mu LTR)
bottombottom- kwa malo ofukula
end- pa rightmalo opingasa (mu LTR)

Pomwe malo ali amodzi mwa:

0- kwa 0malo am'mphepete
50- kwa 50%malo am'mphepete
100- kwa 100%malo am'mphepete

(Mutha kuwonjezera zikhalidwe zina powonjezera zolemba $position-valuespamapu a Sass.)

<div class="position-relative">
  <div class="position-absolute top-0 start-0"></div>
  <div class="position-absolute top-0 end-0"></div>
  <div class="position-absolute top-50 start-50"></div>
  <div class="position-absolute bottom-50 end-50"></div>
  <div class="position-absolute bottom-0 start-0"></div>
  <div class="position-absolute bottom-0 end-0"></div>
</div>

Zinthu zapakati

Kuphatikiza apo, muthanso kuyika zinthuzo ndi gulu lothandizira losintha .translate-middle.

Kalasi iyi imagwiritsa ntchito masinthidwe translateX(-50%)ndi translateY(-50%)zinthu zomwe, kuphatikiza ndi zida zoyikira m'mphepete, zimakulolani kuti mukhazikike pakati pa chinthu.

<div class="position-relative">
  <div class="position-absolute top-0 start-0 translate-middle"></div>
  <div class="position-absolute top-0 start-50 translate-middle"></div>
  <div class="position-absolute top-0 start-100 translate-middle"></div>
  <div class="position-absolute top-50 start-0 translate-middle"></div>
  <div class="position-absolute top-50 start-50 translate-middle"></div>
  <div class="position-absolute top-50 start-100 translate-middle"></div>
  <div class="position-absolute top-100 start-0 translate-middle"></div>
  <div class="position-absolute top-100 start-50 translate-middle"></div>
  <div class="position-absolute top-100 start-100 translate-middle"></div>
</div>

Powonjezera .translate-middle-xkapena .translate-middle-ymakalasi, zinthu zitha kukhazikitsidwa molunjika kapena molunjika.

<div class="position-relative">
  <div class="position-absolute top-0 start-0"></div>
  <div class="position-absolute top-0 start-50 translate-middle-x"></div>
  <div class="position-absolute top-0 end-0"></div>
  <div class="position-absolute top-50 start-0 translate-middle-y"></div>
  <div class="position-absolute top-50 start-50 translate-middle"></div>
  <div class="position-absolute top-50 end-0 translate-middle-y"></div>
  <div class="position-absolute bottom-0 start-0"></div>
  <div class="position-absolute bottom-0 start-50 translate-middle-x"></div>
  <div class="position-absolute bottom-0 end-0"></div>
</div>

Zitsanzo

Nazi zitsanzo zenizeni za makalasi awa:

<button type="button" class="btn btn-primary position-relative">
  Mails <span class="position-absolute top-0 start-100 translate-middle badge rounded-pill bg-secondary">+99 <span class="visually-hidden">unread messages</span></span>
</button>

<button type="button" class="btn btn-dark position-relative">
  Marker <svg width="1em" height="1em" viewBox="0 0 16 16" class="position-absolute top-100 start-50 translate-middle mt-1 bi bi-caret-down-fill" fill="#212529" xmlns="http://www.w3.org/2000/svg"><path d="M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z"/></svg>
</button>

<button type="button" class="btn btn-primary position-relative">
  Alerts <span class="position-absolute top-0 start-100 translate-middle badge border border-light rounded-circle bg-danger p-2"><span class="visually-hidden">unread messages</span></span>
</button>

Mukhoza kugwiritsa ntchito makalasi awa ndi zigawo zomwe zilipo kale kuti mupange zatsopano. Kumbukirani kuti mutha kuwonjezera magwiridwe ake powonjezera zolembera $position-valuespazosintha.

<div class="position-relative m-4">
  <div class="progress" style="height: 1px;">
    <div class="progress-bar" role="progressbar" style="width: 50%;" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100"></div>
  </div>
  <button type="button" class="position-absolute top-0 start-0 translate-middle btn btn-sm btn-primary rounded-pill" style="width: 2rem; height:2rem;">1</button>
  <button type="button" class="position-absolute top-0 start-50 translate-middle btn btn-sm btn-primary rounded-pill" style="width: 2rem; height:2rem;">2</button>
  <button type="button" class="position-absolute top-0 start-100 translate-middle btn btn-sm btn-secondary rounded-pill" style="width: 2rem; height:2rem;">3</button>
</div>

Sass

Mapu

Zosasinthika zazomwe zimagwiritsidwa ntchito zimalengezedwa pamapu a Sass, kenako amagwiritsidwa ntchito kupanga zofunikira zathu.

$position-values: (
  0: 0,
  50: 50%,
  100: 100%
);

Utilities API

Position utilities amalengezedwa mu utilities API mu scss/_utilities.scss. Phunzirani momwe mungagwiritsire ntchito API.

    "position": (
      property: position,
      values: static relative absolute fixed sticky
    ),
    "top": (
      property: top,
      values: $position-values
    ),
    "bottom": (
      property: bottom,
      values: $position-values
    ),
    "start": (
      property: left,
      class: start,
      values: $position-values
    ),
    "end": (
      property: right,
      class: end,
      values: $position-values
    ),
    "translate-middle": (
      property: transform,
      class: translate-middle,
      values: (
        null: translate(-50%, -50%),
        x: translateX(-50%),
        y: translateY(-50%),
      )
    ),