html,body {margin: 0; padding: 0; color: black;}
body { 
	direction: rtl; font-family: Arial, sans; background-color: lightyellow; 
	margin-bottom: 3em; min-height: 100vh; 
	display: flex; flex-direction: column;
}
h1,h2 {margin-top: 1em;}
header h1{font-size: 3em; margin: 1em;}
article { margin: 1em;}
h1 a:link, h1 a:visited {color: black; text-decoration: none;}
li, p { margin-top: 1em;}
table td{ padding: 0.6em; margin: 0; border: 1px dotted black;}
table { border-spacing: 0; border-collapse: separate;}
table tr:nth-child(1) {font-weight: bold; }
header {top: 0; width: 100%; margin: 0 0 1em 0; background-color: yellow; }
footer {	margin-top: auto; width: 100%; position: relative;
			color: lightyellow; background-color: black; }
footer nav { padding: 1em;}
footer nav a { display: inline-block; margin: 1em;}
footer nav a:link{ color: lightblue;}