Update the blog list layout

content/blog/blog.css

@@ -0,0 +1,86 @@
+@import url(/styles/reset.css);
+@import url(/styles/root.css);
+
+:root {
+    --post-item-highlight-color: #efefef;
+}
+@media (prefers-color-scheme: dark) {
+    :root {
+        --post-item-highlight-color: #121212;
+    }
+}
+
+.post-list {
+    list-style: none;
+    margin: 0;
+    padding: 0;
+}
+@supports (display: subgrid) {
+    .post-list {
+        align-items: baseline;
+        display: grid;
+        gap: 1em;
+        grid-template-columns:
+            minmax(150px, max-content) minmax(20px, max-content) 3px auto;
+        grid-template-areas: "month day line title";
+    }
+}
+
+.post-list li {
+    align-items: baseline;
+    border-radius: 6px;
+    display: grid;
+    gap: 1em;
+    transition: background-color 0.25s;
+}
+@supports not (display: subgrid) {
+    .post-list li {
+        grid-template-columns: 100px 20px 3px auto;
+        grid-template-areas: "month day thing title";
+    }
+}
+@supports (display: subgrid) {
+    .post-list li {
+        display: subgrid;
+    }
+}
+
+.post-list li time:nth-of-type(1) {
+    grid-area: month;
+    text-align: end;
+}
+
+.post-list li time:nth-of-type(2) {
+    grid-area: day;
+    text-align: end;
+}
+
+.post-list b {
+    background-color: #ddd;
+    display: block;
+    grid-area: thing;
+    height: 100%;
+    text-align: end;
+    width: 100%;
+}
+
+.post-list li h1 {
+    font-family: var(--font-family-body);
+    grid-area: title;
+    text-align: start;
+}
+
+.post-list li:hover {
+    background-color: var(--post-item-highlight-color);
+}
+
+.post-list h1 {
+    font-size: inherit;
+    font-weight: normal;
+    margin: 0;
+    padding: 0;
+}
+
+.post-list a {
+    color: inherit;
+}