Posisi
Paké utilitas shorthand ieu pikeun gancang ngonpigurasikeun posisi hiji unsur.
Nilai posisi
Kelas posisi gancang sayogi, sanaos henteu responsif.
<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>
Susun unsur
Atur elemen gampang jeung Utiliti positioning ujung. formatna nyaeta {property}-{position}
.
Dimana harta mangrupikeun salah sahiji:
top
- pikeuntop
posisi nangtungstart
- pikeun posisi horizontalleft
(dina LTR)bottom
- pikeunbottom
posisi nangtungend
- pikeun posisi horizontalright
(dina LTR)
Dimana posisi mangrupa salah sahiji:
0
- pikeun0
posisi ujung50
- pikeun50%
posisi ujung100
- pikeun100%
posisi ujung
(Anjeun tiasa nambihan langkung seueur nilai posisi ku cara nambihan éntri kana $position-values
variabel peta 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>
Unsur puseur
Salaku tambahan, anjeun ogé tiasa nyéépkeun unsur-unsur kalayan kelas utiliti transformasi .translate-middle
.
Kelas ieu nerapkeun transformasi translateX(-50%)
jeung translateY(-50%)
unsur nu, dina kombinasi jeung Utiliti positioning ujung, ngidinan Anjeun pikeun puseur mutlak unsur.
<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>
Ku nambahkeun .translate-middle-x
atawa .translate-middle-y
kelas, elemen bisa diposisikan ukur dina arah horizontal atawa vertikal.
<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>
Contona
Ieu sababaraha conto kahirupan nyata tina kelas ieu:
<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>
Anjeun tiasa nganggo kelas ieu sareng komponén anu tos aya pikeun nyiptakeun anu énggal. Émut yén anjeun tiasa manjangkeun fungsionalitasna ku cara nambihan éntri kana $position-values
variabel.
<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
Peta
Nilai utilitas posisi standar dinyatakeun dina peta Sass, teras dianggo pikeun ngahasilkeun utilitas urang.
$position-values: (
0: 0,
50: 50%,
100: 100%
);
Utiliti API
Utiliti posisi dinyatakeun dina API Utiliti kami di scss/_utilities.scss
. Diajar kumaha ngagunakeun Utiliti 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%),
)
),