Pozisyon
Sèvi ak sèvis piblik kout sa yo pou byen vit konfigirasyon pozisyon yon eleman.
Pozisyon valè
Klas pwezante rapid yo disponib, menm si yo pa reponn.
<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>
Ranje eleman yo
Fè aranjman pou eleman fasil ak sèvis piblik yo pwezante kwen. Fòma a se {property}-{position}
.
Kote pwopriyete se youn nan:
top
top
- pou pozisyon vètikal lastart
- pou pozisyon orizontalleft
(nan LTR)bottom
bottom
- pou pozisyon vètikal laend
- pou pozisyon orizontalright
(nan LTR)
Ki kote pozisyon se youn nan:
0
- pou0
pozisyon kwen50
- pou50%
pozisyon kwen100
- pou100%
pozisyon kwen
(Ou ka ajoute plis valè pozisyon lè w ajoute antre nan $position-values
varyab kat Sass la.)
<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>
Sant eleman
Anplis de sa, ou kapab tou santre eleman yo ak klas sèvis piblik transfòmasyon .translate-middle
.
Klas sa a aplike transfòmasyon yo translateX(-50%)
ak translateY(-50%)
eleman ki, an konbinezon ak sèvis piblik pozisyon kwen yo, pèmèt ou santre absoli yon eleman.
<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>
Lè yo ajoute .translate-middle-x
oswa .translate-middle-y
klas, eleman yo ka pozisyone sèlman nan direksyon orizontal oswa vètikal.
<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>
Egzanp yo
Men kèk egzanp lavi reyèl nan klas sa yo:
<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>
Ou ka itilize klas sa yo ak eleman ki deja egziste pou kreye nouvo. Sonje ke ou ka pwolonje fonksyonalite li yo lè w ajoute antre nan $position-values
varyab la.
<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
Kat
Yo deklare valè sèvis piblik pozisyon yo nan yon kat Sass, epi yo itilize yo pou jenere sèvis piblik nou yo.
$position-values: (
0: 0,
50: 50%,
100: 100%
);
Itilite API
Pozisyon sèvis piblik yo deklare nan API sèvis piblik nou an nan scss/_utilities.scss
. Aprann kijan pou itilize API sèvis piblik yo.
"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%),
)
),