html,body,header,main,section,figure {
			font-family: sans-serif;
			margin: 0;
			padding: 0;
			font-size: 1.2em;
		}

		a:link		{color: #00f;}
		a:visited	{color: #0ff;}
		a:hover		{color: #f0f; background-color: #ff0;}
		a:active	{color: #fff; background-color: #00f;}

		h1 {
			font-size: 240pt;
			line-height: 1em;
			letter-spacing: -0.05em;
			padding: 0;
			margin: 60pt 0 0 0;
		}

		h2 {
			position: fixed;
			top: 10px;
		}
		
		h2 a:link {
			background-color: #fff;
		}

		header,section {
			padding: 0 1em;
		}

		details,summary {
			border-bottom: 0.1em dashed #000;
		}

		details:hover {
			background-color: rgba(255, 255, 0, 0.2);
			cursor: pointer;
		}

		h3,figcaption {
			display: inline-block;
		}

		p,blockquote {
			width: 50%;
		}

		figure {
			height: 100vh;
			background-size: contain;
			background-repeat: no-repeat;
			background-position: center;
		}

		figure.repeat {
			background-repeat: repeat;
		}

		figure#chauvetCave {background-image: url('../img/grotte-chauvet-05-1024x598.jpg');}
		figure#pharoahDen {background-image: url('../img/IvoryLabelOfDen-BritishMuseum-August19-08.jpg');}
		figure#uncleSam {background-image: url('../img/1917_Flagg_James_Montgomery_I_Want_You_for_US_Army.png');}
		figure#theyLive {background-image: url('../img/They_Live_1988_John_Carpenter.png');}
		figure#barbaraKruger {background-image: url('../img/Barbara-Kruger-–-I-shop-therefore-I-am-1987-screenprint-on-vinyl-125-x-125-cm-800x791.jpg');}
		figure#obeyGiant {background-image: url('../img/griny.webp');}
		figure#aNewChartofHistory {background-image: url('../img/1769_Joseph_Priestley_A_New_Chart_of_History.jpg');}
		figure#uxDisciplinesChart {background-image: url('../img/2017_UX_Design_Masterclass_UX_Disciplines_Chart.jpg');}
		figure#userProductTechnology {background-image: url('../img/2013_The_Knowledge_Engineering_Review.jpg');}
		figure#youWillReadThisFirst {background-image: url('../img/2020_graphic_design_forum_you_will_read_this_first.jpeg');}
		figure#eamesDiagram {background-image: url('../img/1969_Charles_Eames_Design_Diagram_.jpg');}

		figcaption {
			background-color: #fff;
		}