如何使用自举按钮之间的间距

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using bootstrap you can add <div class="col-sm-1 col-xs-1 col-md-1 col-lg-1"></div> between buttons.

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Depends on how much space you want. I'm not sure I agree with the logic of adding a "col-XX-1" in between each one, because you are then defining an entire "column" in between each one.

If you just want "a little spacing" in between each button, I like to add padding to the encompassing row. That way, I can still use all 12 columns, while including a "space" in between each button.

Bootply: http://www.bootply.com/ugeXrxpPvD

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Wrap your buttons in a div with class='col-xs-3' (for example).
Add class="btn-block" to your buttons.

This will provide permanent spacing.

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HTML:

<input id="id_ok" class="btn btn-space" value="OK" type="button">
<input id="id_cancel" class="btn btn-space" value="Cancel" type="button">

CSS:

.btn-space {
margin-right: 5px;
}

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Use btn-primary-spacing class for all buttons remove margin-left class

Example :

<button type="button" class="btn btn-primary btn-color btn-bg-color btn-sm col-xs-2 btn-primary-spacing">
<span class="glyphicon glyphicon-plus" aria-hidden="true"></span> ADD PACKET
</button>

CSS will be like :

.btn-primary-spacing
{
margin-right: 5px;
margin-bottom: 5px !important;
}

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If you want use margin, remove the class on every button and use :last-child CSS selector.

Html :

<div class="btn-toolbar text-center well">
<button type="button" class="btn btn-primary btn-color btn-bg-color btn-sm col-xs-2">
<span class="glyphicon glyphicon-plus" aria-hidden="true"></span> ADD PACKET
</button>
<button type="button" class="btn btn-primary btn-color btn-bg-color btn-sm col-xs-2">
<span class="glyphicon glyphicon-edit" aria-hidden="true"></span> EDIT CUSTOMER
</button>
<button type="button" class="btn btn-primary btn-color btn-bg-color btn-sm col-xs-2">
<span class="glyphicon glyphicon-time" aria-hidden="true"></span> HISTORY
</button>
<button type="button" class="btn btn-primary btn-color btn-bg-color btn-sm col-xs-2">
<span class="glyphicon glyphicon-trash" aria-hidden="true"></span> DELETE CUSTOMER
</button>
</div>

Css :

.btn-toolbar .btn{
margin-right: 5px;
}
.btn-toolbar .btn:last-child{
margin-right: 0;
}

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You can use built-in spacing from Bootstrap so no need for additional CSS there. This is for Bootstrap 4.

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Adding margins to a button makes it wider so that les buttons fit in the grid system. If only a visual effect is important, then give the button a white border with [style="margin:0px; border:solid white;"] This leaves the button width unaffected.

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The original code is mostly there, but you need btn-groups around each button. In Bootstrap 3 you can use a btn-toolbar and a btn-group to get the job done; I haven't done BS4 but it has similar constructs.

<div class="btn-toolbar" role="toolbar">
<div class="btn-group" role="group">
<button class="btn btn-default">Button 1</button>
</div>
<div class="btn-group" role="group">
<button class="btn btn-default">Button 2</button>
</div>
</div>

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You can achieved by use bootstrap Spacing. Bootstrap Spacing includes a wide range of shorthand responsive margin and padding. In below example mr-1 set the margin or padding to $spacer * .25.

Example:

<button class="btn btn-outline-primary mr-1" href="#">Sign up</button>
<button class="btn btn-outline-primary" href="#">Login</button>

You can read more at Bootstrap Spacing.

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I am pretty bad at html but I used   between the buttons and it worked well.

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It varies according to bootstrap version

If you are using

Bootsrap 4

mr-1

for more refer the official Bootsrap 4 margin-and-padding link

Bootstrap 5

me-1

for more refer the official Bootsrap 5 margin-and-padding link