Dinhmun
Element pakhat awmna tur rang taka configure nan heng shorthand utilities te hi hmang ang che.
Position hlutna te
Quick positioning class pawh a awm a, mahse a chhang thei lo.
<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>
Element hrang hrangte chu dahkhawm rawh
Edge positioning utilities hmangin awlsam takin element hrang hrang dahkhawm rawh. A format chu {property}-{position}
.
Khawiah nge property chu:
top
- verticaltop
position atan a nistart
- horizontalleft
position atan (LTR-a ziah) .bottom
- verticalbottom
position atan a niend
- horizontalright
position atan (LTR-a ziah) .
Khawiah nge dinhmun chu:
0
-0
edge position atan50
-50%
edge position atan100
-100%
edge position atan
$position-values
( Sass map variable-ah entry dah belhin position value tam zawk i dah belh thei bawk .)
<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>
Center element hrang hrangte
Chu bakah, elements te chu transform utility class hmangin i center thei bawk .translate-middle
.
He class hian transformation translateX(-50%)
te leh translateY(-50%)
element ah a hmang a, chu chuan edge positioning utilities te nen a inzawm chuan element pakhat chu absolute center ah a dah thei a ni.
<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>
Add .translate-middle-x
emaw .translate-middle-y
class emaw hmangin element te chu horizontal emaw vertical emaw direction-ah chauh dah theih a ni.
<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>
Entirna te
Heng class hrang hrangte nun tak tak entirnan thenkhat chu hetiang hi a ni:
<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>
Heng class te hi component awmsa te nen hmangin a thar siam theih a ni. $position-values
Variable -ah entry dah belhin a functionality i tizau thei tih hre reng ang che .
<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 a ni
Maps te pawh a awm
Default position utility value te chu Sass map ah declare a ni a, chutah chuan kan utilities siam nan kan hmang thin.
$position-values: (
0: 0,
50: 50%,
100: 100%
);
Utilities API hmanga thil tih a ni
Position utilities chu kan utilities API ah hian scss/_utilities.scss
. Utilities API hman dan zir rawh.
"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%),
)
),