MinervaNeue/components/ToggleList/DropDownList.less

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// A DropDownList is a ToggleList that extends downward.
@import '../../minerva.less/minerva.mixins';
.toggle-list__list--drop-down {
transform: translateY( -8px );
// Animate menu visibility, opacity, and translation changes in and out. Visibility must be
// animated since it's a boolean and nothing can be seen in display hidden. Visibility itself
// cannot be animated as it causes a flash on page load in Chromium due to
// https://bugs.chromium.org/p/chromium/issues/detail?id=332189. The effect is that the menu is
// animated in but not animated out.
.transition( opacity .1s ease-in-out, -webkit-tap-highlight-color 0s ease-in-out, transform .1s ease-in-out; );
// When cursor is pointer and -webkit-tap-highlight-color is set, the color does not seem to
// transition. Clear it.
-webkit-tap-highlight-color: transparent;
}
.toggle-list__checkbox:checked ~ .toggle-list__list--drop-down {
transform: translateY( 0 );
}