/* Slide 15, "Electricity needed a new factory" (v4). Static. */
#v4-15 .body{justify-content:flex-start;gap:0;padding-top:20px}
#v4-15 .s15-points{list-style:none;margin:0;padding:0;max-width:1680px}
#v4-15 .s15-points li{position:relative;font:400 30px/1.4 var(--sans);color:var(--ink);margin:0 0 8px;padding-left:36px}
#v4-15 .s15-points li:before{content:'';position:absolute;left:0;top:.7em;width:18px;height:3px;background:var(--ink)}
#v4-15 .s15-floors{display:grid;grid-template-columns:800px 800px;column-gap:80px;margin-top:30px}
#v4-15 figure{margin:0;display:flex;flex-direction:column}
#v4-15 .s15-after{position:relative}
#v4-15 .s15-after:before{content:'';position:absolute;left:-40px;top:0;bottom:0;border-left:1px solid var(--rule-light)}
#v4-15 .s15-floor{display:block;width:800px;height:auto;overflow:visible}
#v4-15 figcaption{margin-top:14px}
#v4-15 .body p.s15-cap{font:400 26px/1.4 var(--sans);color:var(--ink);margin:0;max-width:800px}
#v4-15 .s15-cap b{font-weight:600}
#v4-15 .s15-floor .ln{fill:none;stroke:var(--ink);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
#v4-15 .s15-floor .ln.thin{stroke-width:2}
#v4-15 .s15-floor .ln.work{stroke-width:5}
#v4-15 .s15-floor .paper{fill:var(--paper)}
#v4-15 .s15-floor .ink-fill,#v4-15 .s15-floor .hub{fill:var(--ink)}
#v4-15 .s15-floor .hair{fill:none;stroke:var(--rule-light);stroke-width:2}
#v4-15 .s15-floor .floor{fill:none;stroke:var(--rule-light);stroke-width:2;stroke-linejoin:round}
#v4-15 .s15-floor .shaft{fill:none;stroke:var(--accent);stroke-width:9;stroke-linecap:round}
#v4-15 .s15-floor .belt{fill:none;stroke:var(--accent);stroke-width:3.5;stroke-linecap:round}
#v4-15 .s15-floor .acc{stroke:var(--accent);stroke-width:4}
#v4-15 .s15-floor .leader{fill:none;stroke:var(--ink-soft);stroke-width:1.5}
#v4-15 .s15-floor .part{font:400 28px/1 var(--sans);fill:var(--ink)}
#v4-15 .s15-floor .acc-fill{fill:var(--accent)}
#v4-15 .s15-floor .ln.crank{stroke-width:6}
#v4-15 .s15-floor .hanger{fill:none;stroke:var(--ink-soft);stroke-width:2;stroke-linejoin:round}