- improve accessibility after check with wave and axe :

- title to links
	- title to iframe
	- put everything in main region

styles/style.css

@@ -5,7 +5,7 @@
 html {
 	font-size: var(--base_font_size);
 }
-body {
+body, main {
 	overflow-x: hidden;
 	margin: auto;
 	width: fit-content;
@@ -43,7 +43,7 @@ pre {
 #banner_7        { grid-area: banner_7; display: none;}
 #banner_8        { grid-area: banner_8; display: none;}
 
-#body {
+main {
 	/*
 	*/
 	display: grid;