.mainblurb{
  font-size: 1.3em;
  max-width: 30em;
  margin: 0 auto;
}


#head_box p {
  width: 40em;
	max-width: 90%;
	margin-right: auto;
	margin-left: auto;
}

.main_column{
  width: 40em;
}

.main_download_links{
  margin-top: 5em;
  padding-top: 3em;
  padding-bottom: 1em;

  text-align: center;
  border-top: 15px silver solid;
}

.main_download_links .main_cours_link{
  width: 18em;
  padding: 10px 0;
}

div.main_site_link{
  margin-top: 3em;
  padding: 0.5em;
  display: inline-block;
  vertical-align: top;
  width: 22em;
  position: relative;
}

div.main_site_link.recommended{
  border: 2px #0077b6ff solid;
  background-color: rgba(255,255,255,0.6);
  border-radius: 10px;
}

div.main_site_link.recommended::after {
  content: "";
  position: absolute;
  top: -30px;
  right: -30px;
  width: 86px;
  height: 85px;
  background-image: url("si_label.png");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: top right;
  pointer-events: none; /* ensures it doesn’t interfere with interactions */
}

a.imglink{
  display: block;
  min-height: 250px;
}

.main_site_link a img{
  border: 1px gray solid;
  border-radius: 4px;
  box-shadow: silver 0 0 10px;
}

.main_site_link a:hover img{
  background-color: rgba(255,255,255,0.6);
  box-shadow: white 0 0 20px;
  border: 1px rgba(255,255,255,0.1) solid;
  border-radius: 15px;	
}

.separatorsymbol{
  border: 1px gray solid;
  font-size: 2em;
  padding: 0em 0.2em;
  font-family: monospace;
}

.papersize{
  border: 1px gray solid;
  padding: 0.1em 0.25em;
}

.countries{
  font-style: italic;
  color: gray;
}

.refs{
  margin-top: 1lh;
}

.footer_box{
  text-align: center;
  font-size: 1.5em;
}

		.footer_box .footerlink a {
			display: block;
			max-width: 30em;
			margin: 0 auto;
			padding: 1em;
		}

		.footer_box .contact_link span {
			padding-left: 30px;
			background: url(icons/email.png) center left no-repeat; /* awsome icons CC-by Mark James, famfamfam.com */
		}



/* Dark Mode Styling */
@media (prefers-color-scheme: dark){
div.main_site_link.recommended{
  background-color: rgba(255,255,255,0.1);
}
 )