// Name: Sticky // Description: Component to make elements sticky in the viewport // // Component: `uk-sticky` // // Modifier: `uk-sticky-fixed` // // States: `uk-active` // // ======================================================================== // Variables // ======================================================================== /* ======================================================================== Component: Sticky ========================================================================== */ /* * 1. Create position context so it's t the same like when fixed. * 2. Create stacking context already when not sticky to have the same context * for position set to `sticky` and `relative` * 2. More robust if padding and border are used and the sticky height is transitioned */ .uk-sticky { /* 1 */ position: relative; /* 2 */ z-index: $sticky-z-index; /* 3 */ box-sizing: border-box; } /* * 1. Force new layer to resolve frame rate issues on devices with lower frame rates */ .uk-sticky-fixed { margin: 0 !important; /* 1 */ -webkit-backface-visibility: hidden; backface-visibility: hidden; } /* * Faster animations */ .uk-sticky[class*='uk-animation-'] { animation-duration: $sticky-animation-duration; } .uk-sticky.uk-animation-reverse { animation-duration: $sticky-reverse-animation-duration; } /* * Placeholder * Make content clickable for sticky cover and reveal effects */ .uk-sticky-placeholder { pointer-events: none; } // Hooks // ======================================================================== @if(mixin-exists(hook-sticky-misc)) {@include hook-sticky-misc();} // @mixin hook-sticky-misc(){}