Move CSS and fonts to separate static asset dir

assets/css/layout.css

@@ -0,0 +1,89 @@
+@import url("/assets/css/fonts/merriweather.css");
+
+body {
+  font-size: 18px;
+  font-family: "Merriweather", serif;
+}
+
+img {
+  max-width: 100%;
+}
+
+img.avatar {
+  height: 48px;
+  width: 48px;
+  border-radius: 50%;
+}
+
+.profile-page img.avatar {
+  height: 128px;
+  width: 128px;
+}
+
+h1 {
+  margin: 2em 0 0 0;
+}
+
+h2, h3, h4 {
+  margin-top: 2em;
+  margin-bottom: 2rem;
+  line-height: 1.6em;
+}
+
+p, pre, ul, ol, blockquote {
+  line-height: 1.6em;
+  margin-bottom: 1.6em;
+}
+
+a.anchor {
+  display: none;
+}
+
+code {
+  font-size: 1rem;
+  padding: 0.1em 0.3em;
+}
+
+pre code {
+  display: block;
+  padding: 0.6rem 1rem;
+}
+
+main {
+  display: block;
+  max-width: 728px;
+  margin: 12rem auto;
+}
+
+main header {
+  display: block;
+  margin-bottom: 3rem;
+}
+
+main header h1 {
+  margin-bottom: 1.6rem;
+}
+
+p.meta {
+  display: flex;
+  column-gap: 1rem;
+}
+
+p.meta .content {
+  display: flex;
+  flex-direction: column;
+  font-size: 0.875rem;
+  line-height: 1.6rem;
+}
+
+p.meta .name a {
+  text-decoration: none;
+}
+
+.article-list .item {
+  margin-bottom: 3rem;
+}
+
+.article-list .item h3 {
+  margin-bottom: 1rem;
+}