diff --git a/assets/style.css b/assets/style.css
index fb42ec9..493d573 100644
--- a/assets/style.css
+++ b/assets/style.css
@@ -1,23 +1,23 @@
-html, body {
-	height: 100%;
+* {
+	box-sizing: border-box;
 }
 body {
 	font-family: sans-serif;
 	margin: 0;
 	display: grid;
 	grid-template-columns: max(325px, 15%) auto;
-	background: #ccc;
+	background: #fafafa;
 }
 
 h1, h2, h3, h4, h5, h6 {
 	font-family: "Open Sans", sans-serif;
 }
-h1 a,
-h2 a,
-h3 a,
-h4 a,
-h5 a,
-h6 a {
+main article h1 a,
+main article h2 a,
+main article h3 a,
+main article h4 a,
+main article h5 a,
+main article h6 a {
 	color: inherit;
 	text-decoration: none;
 }
@@ -31,21 +31,21 @@ h2 {
 	font-size: 1.6em;
 }
 
+main {
+	box-shadow: 0 0 40px black;
+	z-index: 2;
+}
+
 main article {
 	max-width: 1800px;
-	box-shadow: 0 0 20px #777;
-	padding: 0 50px;
+	padding: 0 50px 30px;
 	margin: 0 auto;
-	background: white;
+	background: #fafafa;
 	min-height: 100%;
 	overflow: auto;
 	font-size: 1.1em;
 }
 
-p {
-	line-height: 1.5em;
-}
-
 main article h1,
 main article h2,
 main article h3 {
@@ -54,9 +54,27 @@ main article h3 {
 	margin-left: -10px;
 }
 
+main article a {
+	color: #00a;
+	text-decoration-style: dashed;
+	text-decoration-color: transparent;
+	transition: 0.2s all;
+}
+main article a:hover {
+	text-decoration-color: unset;
+}
+
+p {
+	line-height: 1.5em;
+}
+
 header {
 	/* sidebar */
-	position: relative;
+	position: sticky;
+	top: 0;
+	background: #333;
+	z-index: 1;
+	height: 100vh;
 }
 
 header::after {
@@ -73,8 +91,7 @@ header::after {
 	background: linear-gradient(to bottom, #333, #333 10%, 70%, transparent),
 	url("/assets/img/background.jpeg") no-repeat bottom center/cover,
 	#333;
-	/*background: linear-gradient(to bottom, #333 0%, #333 30%, transparent 80%, transparent 100%), url("/assets/img/background.jpeg") no-repeat bottom center/cover;*/
-	filter: saturate(33%);
+	filter: blur(5px) saturate(75%);
 	content: "";
 }
 
@@ -89,10 +106,25 @@ nav a {
 	text-decoration: none;
 	font-size: 1.5em;
 	transition: 0.2s all;
+	position: relative;
+}
+nav a::before {
+	width: 5px;
+	top: 0;
+	bottom: 0;
+	left: -5px;
+	background: mediumpurple;
+	content: "";
+	display: block;
+	position: absolute;
+	transition: 0.2s all;
 }
 nav a:hover {
 	background: #00000044;
 }
+nav a:hover::before {
+	left: 0;
+}
 
 #logo {
 	object-fit: contain;