const tip-opacity = 0.94 const tip-transform-hidden = rotate(0.02deg) translateX(-50%) translateY(-80%) const tip-transform-visible = rotate(0.02deg) translateX(-50%) translateY(-100%) .tip position relative :before content attr(aria-label) position absolute top -10px left 50% z-index 100000 pointer-events none opacity 0 transform tip-transform-hidden font-size 0.92rem color text-color text-shadow none padding 0.2rem 0.7rem background ui-background border 1px solid ui-border-color border-radius ui-element-border-radius box-shadow shadow-light white-space nowrap default-transition :after content "" position absolute top -4px left 50% z-index 100001 pointer-events none opacity 0 width 0 height 0 border-style solid border-width 8px 8px 0 8px border-color ui-background transparent transparent transparent transform tip-transform-hidden default-transition :hover :before opacity tip-opacity transform tip-transform-visible :after opacity tip-opacity transform tip-transform-visible