diff --git a/static/css/undef.css b/static/css/undef.css
index bac55e8..55f92f2 100644
--- a/static/css/undef.css
+++ b/static/css/undef.css
@@ -14,10 +14,8 @@
 	--gradient:	linear-gradient(45deg, #800000 10%, #008080 90%);
 }
 
-@media (prefers-color-scheme: dark)
-{
-	:root
-	{
+@media (prefers-color-scheme: dark) {
+	:root {
 		--teal:		#7acccc;
 		--maroon:	#cc7a7a;
 		--img-border:	hsl(0, 1%, 25%);
@@ -43,15 +41,13 @@ video {
 }
 
 /* don't use superscript text for references */
-sup
-{
+sup {
 	vertical-align:			inherit;
 	font-size: 			1rem;
 }
 
 /* main navigation */
-nav.navigation
-{
+nav.navigation {
 	border-right-color:		var(--teal);
 	border-right-style:		solid;
 	border-right-width:		4px;
@@ -65,8 +61,7 @@ nav.navigation
 	text-align:			right;
 }
 
-nav.navigation h1
-{
+nav.navigation h1 {
 	background:			var(--gradient);
         -webkit-background-clip:	text;
         -webkit-text-fill-color:	transparent;
@@ -74,35 +69,29 @@ nav.navigation h1
 	text-align:			right;
 }
 
-nav.navigation a
-{
+nav.navigation a {
 	color:				var(--teal);
 	padding-right:			4px
 	text-align:			right;
 }
 
-nav.navigation a:hover
-{
+nav.navigation a:hover {
 	text-decoration:		underline;
 }
 
-nav.navigation footer
-{
+nav.navigation footer {
 	color:				var(--maroon);
 	font-size:			0.8rem;
 }
 
 nav.navigation footer a,
-nav.navigation footer a:hover
-{
+nav.navigation footer a:hover {
 	color: 				var(--maroon);
 }
 
 /* support small screens */
-@media (max-width: 1080px)
-{
-	nav.navigation
-	{
+@media (max-width: 1080px) {
+	nav.navigation {
 		position:		relative;
 		border-right-style:	none;
 		margin-left:		0px;
@@ -110,8 +99,8 @@ nav.navigation footer a:hover
 		align-items:		center;
 		justify-content: 	center;
 	}
-	nav.navigation h1
-	{
+
+	nav.navigation h1 {
 		display:		block;
 		border-right-color:	var(--teal);
 		border-right-style:	solid;
@@ -119,8 +108,8 @@ nav.navigation footer a:hover
 		margin-bottom:		0px;
 		padding-right:		4px;
 	}
-	nav.navigation div
-	{
+
+	nav.navigation div {
 		display:		block;
 		padding-left:		4px;
 		text-align:		left;
@@ -128,30 +117,25 @@ nav.navigation footer a:hover
 }
 
 /* Figure couter + lightbox for images */
-body::before
-{
+body::before {
 	counter-reset:			figure-counter;
 }
 
-figure
-{
+figure {
 	counter-increment:		figure-counter;
 	padding-top:			0 0.25em 0.25em;
 }
 
-figcaption
-{
+figcaption {
 	font-size:			0.923em;
 }
 
-figcaption::before
-{
+figcaption::before {
 	content:			'Figure ' counter(figure-counter) '. ';
 	font-weight:			bold;
 }
 
-.lightbox
-{
+.lightbox {
 	position:			fixed;
 	top:				0px;
 	left:				0px;
@@ -163,36 +147,31 @@ figcaption::before
 	visibility:			hidden;
 }
 
-img
-{
+img {
 	border-style:			solid;
 	border-width:			4px;
 	border-color:			var(--img-border);
 	border-radius:			4px;
 }
 
-figure:target .lightbox
-{
+figure:target .lightbox {
 	visibility:			visible;
 }
 
-.lightbox-wrapper
-{
+.lightbox-wrapper {
 	display:			inline-flex;
 	flex-direction:			column;
 	max-width:			95%;
 	height:				100%;
 }
 
-.lightbox a
-{
+.lightbox a {
 	font-size:			1.25rem;
 	align-self:			end;
 	margin-bottom:			auto;
 }
 
-.lightbox img
-{
+.lightbox img {
 	width:				auto;
 	height:				auto;
 	max-width:			100%;
@@ -202,13 +181,11 @@ figure:target .lightbox
 }
 
 /* footnotes */
-.footnote-ref::before
-{
+.footnote-ref::before {
 	content:			'[';
 }
 
-.footnote-ref::after
-{
+.footnote-ref::after {
 	content:			']';
 }
 
@@ -217,12 +194,10 @@ figure:target .lightbox
 	padding-left:			2rem;
 }
 
-.footnote li
-{
+.footnote li {
 	counter-increment:		fn-counter;
 }
 
-.footnote li::marker
-{
+.footnote li::marker {
 	content:			'[' counter(fn-counter) '] ';
 }