/* Simple CSS 
 * small changes to original based on alanhogan.com/code/modern-html-template */

:root {
  --page-bg-color: white;
  --text-color: #222;
  --link-color: #06d;
  --visited-link-color: #91e;
  --code-color: #456658;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page-bg-color: #141414;
    --page-bg-color: #004242;
    --text-color: #eee;
    --link-color: #2af;
    --visited-link-color: #c5f;
    --code-color: #c5eddc;

    /* Ask browser to render elements like inputs & scrollbars per dark theme */
    color-scheme: dark;
  }
}

* {
  box-sizing: border-box;
}
html {
  margin: 0;
  padding: 0;
  -webkit-text-size-adjust: 100%;
  -moz-text-size-adjust: 100%;
  text-size-adjust: 100%;
}
html,
body,
input,
button,
select,
textarea {
  font-family: system-ui, sans-serif;
}
body {
  padding: calc(0.5em + 0.5vmin);
  margin: 0 auto;
  max-width: 40em;
  background-color: var(--page-bg-color);
  color: var(--text-color);

  /* Good defaults for handling too-long words; won't help in most tables */
  overflow-wrap: break-word;
}

:link {
  color: var(--link-color);
}
:visited {
  color: var(--visited-link-color);
}

code,
tt,
kbd,
pre {
  font-family: "monospace, JetBrains Mono", "IBM Plex Mono", "Source Code Pro",
    "Cascadia Code", ui-monospace, Menlo, "Ubuntu Monospace", "Inconsolata",
    "Fira Code", "Deja Vu Sans Mono", "Bitstream Vera Sans Mono", Monaco,
    "Segoe UI Mono", "Roboto Mono", "Oxygen Mono", Consolas;
  /* Fight famous 'code too big' problem */
  font-size: 90%;
  color: var(--code-color);
}
pre code,
pre tt,
pre kbd {
  /* We don't want 90% of 90% for <pre><code> */
  font-size: 100%;
}

/* End automatic dark mode, system fonts, and readable max-width */


/* Some other stuff */

hr {
  -moz-box-sizing: content-box;
  box-sizing: content-box;
  height: 0;
}

hr.style-gradient1 {
    border: 0;
    height: 5px;    
    background-image: linear-gradient(to right, rgba(0, 119, 190, 0.1), rgba(0, 119, 190, 0.9), rgba(0, 119, 190, 0.1));
}

hr.style-gradient2 {
    border: 0;
    height: 5px;
    background-image: linear-gradient(to right, rgba(0, 119, 190, 0), rgba(0, 119, 190, 0.9), rgba(0, 119, 190, 0));
}

hr.style-gradient3 {
    border: 0;
    height: 3px;
    background-image: linear-gradient(to right, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.70), rgba(0, 0, 0, 0));
}


/* Images: flexible responsive width */

img {
  width: 100%;
  height: auto;
}

@media (min-width: 35em) {
  img {
    width: 50%;
  }

img.ri {
	float: right;
	margin-left: 0.5em;
}

img.le {
	float: left;
	margin-right: 0.5em;
}

}

@media (min-width: 50em) {
  img {
    width: 25%;    
  }
}

/*
 * max widht NOK: 
img {
  width: 100%;
  max-width: 500px; 
  height: auto;
}
*/

/*
 * max widht OK: 
img {  
  max-width: 500px; 
  height: auto;
}
*/