@import url('https://fonts.googleapis.com/css?family=Open+Sans:300,400,600&display=swap');


/* ------------------- general ------------------- */
html {
	scroll-behavior: smooth;
}

body{
	margin: 0;
	padding: 0;
	background: #FFFFFF;
	font-family: "Open Sans", sans-serif;
}

h1 {
	font-weight: normal;
	font-size: 2.25em;
	margin: 1.1em 0;
	text-align: center;
}



/* adjust this & overall disposition of everything later */
header#top, div#content {
	/*margin: 0 auto;
	width: 960px;*/
	padding: 0 3em;
}

/* footer */
footer#footer {
	text-align: center;
	font-weight: bold;
	/*border: 1px solid black;*/
	margin: 5.5em 0 1.5em 0;
}

#large-title {
	/*font-size: 4.5em;*/
	margin: 0.2em 0 0.4em 0;
	text-align: left;
	font-size: calc(100vw/21);
}


div#content {
	padding-bottom: 1em;
}

/* always show scrollbar to the right  */
body { overflow-y: scroll; }


/* a links
-------------------------------------------------------- 
*/
a {
	color: black;
}
a:hover {
	color: firebrick;
}


/* navigation menu
-------------------------------------------------------- 
*/
nav.navmenu {
	padding: 0.75em;
}
nav.navmenu a {
	color: black;
	padding: 0.7em;
	text-decoration: none;
	transition: 0.3s all;
	margin: 0 1em 0 0;
	border-bottom: 1px solid transparent; /* ??????? */
}
nav.navmenu a:hover {
	border-bottom: 2px solid firebrick;
}



/* Misc classes
-------------------------------------------------------- 
*/
.right {float:right;}
.left {float:left;}
.lighter {
	font-weight: lighter;
}

/* highlight current choice in navigation menu
--------------------------------------------------------
*/
body#start a#start-,
body#reflections a#reflections-,
body#exercises a#exercises-,
body#projects a#projects-,
body#viewsource a#viewsource- {
	border-bottom: 2px solid firebrick;
	color: #000;
}


/* PAGE SPECIFIC */

.arrow-right {
	width: 0;
	height: 0;
	border: 3.5px solid transparent;
	/*border-left: 12px solid #333333;*/
	border-left: 8px solid firebrick;
	transform: translateY(-0.15em);
	display: inline-block;
	margin-right: 0.5em;
	transform-origin: 25% 50%;
	transition: 0.3s transform;
}

.exercise-theme:hover {
	background: #f5f5f5;
	border-radius: 10px;
}

.exercise-theme {
	padding: 0.7em;
	padding-bottom: 0;
	margin: 0.5em;
	cursor: pointer;
	user-select: none;
}
.exercise-theme h3 {
	font-weight: normal;
	margin: 0;
	position: relative;
	top: 2px;
}
.exercise-subs {
	margin-top: 1.2em;
	transition: all 0.3s;
	opacity: 0;
	min-height: 0;
	max-height: 0;
	overflow: hidden;
}
.exercise-subs.shown {
	opacity: 1;
	min-height: 10px;
	max-height: 999px;
}
.sub-link {
	padding: 0.4em;
	display: inline-block;
	margin-right: 1em;
	margin: 0 1em 1em 0;
	border-radius: 0.3em;
	box-shadow: 1px 1px 5px 0px #a7a7a7;
	transition: 0.2s box-shadow;
	text-decoration: none;
	position: relative;
	top: 3px;
	left: 3px;
}
.sub-link:hover {
	box-shadow: 1px 1px 8px -1px #a7a7a7;
}
.project-sub-link {
	padding: 0.9em;
    font-size: 1.2em;
    margin-top: 1em;
}


#directory-path a, #directory-list a {
	text-decoration: none;
	line-height: 28px;
}
#directory-path {
	font-size: 1.2em;
	font-weight: bold;
	margin-bottom: 0;
}
#directory-count {
	font-size: 0.8em;
	margin-top: 0.2em;
}


#directory-list {
	overflow: hidden;
	margin: 1em;
}
#directories-container {
	font-weight: bold;
	margin-right: 3em;
	/*min-width: 9%;*/
	max-width: 30%;
	/*min-height: 10px;  if there is no height, width always becomes 0 */
	float: left;
}
#files-container {
	float: left;
}
#files-container a {
	/*border: 1px solid #222;*/
	border-radius: 0.3em;
	padding: 0.45em;
	margin: 0.4em 1.2em 0.6em 0.4em;
	display: inline-block;
	box-shadow: 1px 1px 3px 0px #999;
	transition: all 0.5s;
}
#files-container a:hover {
	box-shadow: 1px 1px 5px 0px #888;
}