.month-cell{position:relative}.month-cell:after{content:"";opacity:0;z-index:-1;pointer-events:none;background-color:#f3f4f6;transition:opacity .15s;position:absolute;inset:0}.month-cell:hover:after{opacity:1}html.dark .month-cell:after{display:none}.calendar-grid-line{stroke:#0000001a}html.dark .calendar-grid-line{stroke:#ffffff26}