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authorMark Otto <[email protected]>2014-03-06 23:50:55 -0800
committerMark Otto <[email protected]>2014-03-06 23:51:07 -0800
commite180258b60c04c7d365f60cebdc1593be39d683d (patch)
tree3962ed894ee228b3aba9d2e647cdbd4933ab4ded /less/button-groups.less
parentf5f4a2da782cb4cefc5099e09b84e6f402d4e090 (diff)
downloadbootstrap-e180258b60c04c7d365f60cebdc1593be39d683d.tar.xz
bootstrap-e180258b60c04c7d365f60cebdc1593be39d683d.zip
Comment for #12794
Diffstat (limited to 'less/button-groups.less')
-rw-r--r--less/button-groups.less10
1 files changed, 9 insertions, 1 deletions
diff --git a/less/button-groups.less b/less/button-groups.less
index afeb70716..ff95b0474 100644
--- a/less/button-groups.less
+++ b/less/button-groups.less
@@ -220,9 +220,17 @@
// Checkbox and radio options
+//
+// In order to support the browser's form validation feedback, powered by the
+// `required` attribute, we have to "hide" the inputs via `opacity`. We cannot
+// use `display: none;` or `visibility: hidden;` as that also hides the popover.
+// This way, we ensure a DOM element is visible to position the popover from.
+//
+// See https://github.com/twbs/bootstrap/pull/12794 for more.
+
[data-toggle="buttons"] > .btn > input[type="radio"],
[data-toggle="buttons"] > .btn > input[type="checkbox"] {
- opacity: 0;
position: absolute;
z-index: -1;
+ opacity: 0;
}