// A DropDownList is a ToggleList that extends downward. .toggle-list__list--drop-down { transform: translateY( -8px ); // 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; } // Without the minerva-animations-ready class, DropDownList can appear and // perform its exit animation when the page loads in chrome (and possibly // others). // https://bugs.chromium.org/p/chromium/issues/detail?id=332189 .minerva-animations-ready { .toggle-list__list--drop-down { // Animate menu visibility, opacity, and translation changes in and out. Visibility duration // cannot be animated initially as it causes a flash on page load in Chromium due to // https://bugs.chromium.org/p/chromium/issues/detail?id=332189. transition: opacity @transition-duration-base ease-in-out, -webkit-tap-highlight-color 0s ease-in-out, transform @transition-duration-base ease-in-out, visibility @transition-duration-base ease-in-out; } } .toggle-list__checkbox:checked ~ .toggle-list__list--drop-down { transform: translateY( 0 ); }