.wb-railscroll .wb-railhd{z-index:2;background:var(--canvas);position:sticky;top:0}.wb-lib.wb-fs .wb-railscroll .wb-railhd{background:var(--canvas)}.wb-pop:has(.wb-pop-sec){scrollbar-width:thin;overscroll-behavior:contain;max-height:62vh;padding-top:0;overflow-y:auto}.wb-pop .wb-pop-sec{z-index:1;background:var(--surface);margin:0 -5px;padding-left:14px;padding-right:14px;position:sticky;top:0}.wb-pop .wb-pop-sec:first-child{padding-top:8px}#wbDensity,#sdDensity,#spDensity{display:none}