diff --git a/css/light-mode.css b/css/light-mode.css
deleted file mode 100644
index 28be668..0000000
--- a/css/light-mode.css
+++ /dev/null
@@ -1,249 +0,0 @@
-/* Colors */
-:root {
-  --lightgray: #e0e0e0;
-  --gray: #C0C0C0;
-  --darkgray: #333;
-  --navy: #17050F;
-  --blue: #082840;
-  --white: #fff;
-}
-
-/* Global stylesheet */
-* {
-  box-sizing: border-box;
-}
-
-html,
-body {
-  padding: 0;
-  margin: 0;
-  font-family: -apple-system, system-ui, sans-serif;
-  color: var(--darkgray);
-  background-color: var(--white);
-}
-p:last-child {
-  margin-bottom: 0;
-}
-p,
-.tmpl-post li,
-img {
-  max-width: 37.5em; /* 600px /16 */
-}
-p,
-.tmpl-post li {
-  line-height: 1.45;
-}
-a[href] {
-  color: var(--blue);
-}
-a[href]:visited {
-  color: var(--navy);
-}
-main {
-  padding: 1rem;
-}
-main :first-child {
-  margin-top: 0;
-}
-header {
-  border-bottom: 1px dashed var(--lightgray);
-}
-header:after {
-  content: "";
-  display: table;
-  clear: both;
-}
-table {
-  margin: 1em 0;
-}
-table td,
-table th {
-  padding-right: 1em;
-}
-
-pre,
-code {
-  font-family: Consolas, Menlo, Monaco, "Andale Mono WT", "Andale Mono", "Lucida Console", "Lucida Sans Typewriter", "DejaVu Sans Mono", "Bitstream Vera Sans Mono", "Liberation Mono", "Nimbus Mono L", "Courier New", Courier, monospace;
-  line-height: 1.5;
-}
-pre {
-  font-size: 14px;
-  line-height: 1.375;
-  direction: ltr;
-  text-align: left;
-  white-space: pre;
-  word-spacing: normal;
-  word-break: normal;
-  -moz-tab-size: 2;
-  -o-tab-size: 2;
-  tab-size: 2;
-  -webkit-hyphens: none;
-  -moz-hyphens: none;
-  -ms-hyphens: none;
-  hyphens: none;
-  padding: 1em;
-  margin: .5em 0;
-  background-color: #f6f6f6;
-}
-code {
-  word-break: break-all;
-}
-.highlight-line {
-  display: block;
-  padding: 0.125em 1em;
-  text-decoration: none; /* override del, ins, mark defaults */
-  color: inherit; /* override del, ins, mark defaults */
-}
-
-/* allow highlighting empty lines */
-.highlight-line:empty:before {
-  content: " ";
-}
-/* avoid double line breaks when using display: block; */
-.highlight-line + br {
-  display: none;
-}
-
-.highlight-line-isdir {
-  color: #b0b0b0;
-  background-color: #222;
-}
-.highlight-line-active {
-  background-color: #444;
-  background-color: hsla(0, 0%, 27%, .8);
-}
-.highlight-line-add {
-  background-color: #45844b;
-}
-.highlight-line-remove {
-  background-color: #902f2f;
-}
-
-/* Header */
-.home {
-  padding: 0 1rem;
-  float: left;
-  margin: 1rem 0; /* 16px /16 */
-  font-size: 1em; /* 16px /16 */
-}
-.home :link:not(:hover) {
-  text-decoration: none;
-}
-
-/* Nav */
-.nav {
-  padding: 0;
-  list-style: none;
-  float: left;
-  margin-left: 1em;
-}
-.nav-item {
-  display: inline-block;
-  margin-right: 1em;
-}
-.nav-item a[href]:not(:hover) {
-  text-decoration: none;
-}
-.nav-item-active {
-  font-weight: 700;
-  text-decoration: underline;
-}
-
-/* Posts list */
-.postlist {
-  list-style: none;
-  padding: 0;
-}
-.postlist-item {
-  display: flex;
-  flex-wrap: wrap;
-  align-items: baseline;
-  counter-increment: start-from -1;
-  line-height: 1.8;
-}
-.postlist-item:before {
-  display: inline-block;
-  pointer-events: none;
-  content: "" counter(start-from, decimal-leading-zero) ". ";
-  line-height: 100%;
-  text-align: right;
-}
-.postlist-date,
-.postlist-item:before {
-  font-size: 0.8125em; /* 13px /16 */
-  color: var(--darkgray);
-}
-.postlist-date {
-  word-spacing: -0.5px;
-}
-.postlist-link {
-  padding-left: .25em;
-  padding-right: .25em;
-  text-underline-position: from-font;
-  text-underline-offset: 0;
-  text-decoration-thickness: 1px;
-}
-.postlist-item-active .postlist-link {
-  font-weight: bold;
-}
-.tmpl-home .postlist-link {
-  font-size: 1.1875em; /* 19px /16 */
-  font-weight: 700;
-}
-
-
-/* Tags */
-.post-tag {
-  display: inline-flex;
-  align-items: center;
-  justify-content: center;
-  text-transform: uppercase;
-  font-size: 0.75em; /* 12px /16 */
-  padding: 0.08333333333333em 0.3333333333333em; /* 1px 4px /12 */
-  margin-left: 0.6666666666667em; /* 8px /12 */
-  margin-top: 0.5em; /* 6px /12 */
-  margin-bottom: 0.5em; /* 6px /12 */
-  color: var(--darkgray);
-  border: 1px solid var(--gray);
-  border-radius: 0.25em; /* 3px /12 */
-  text-decoration: none;
-  line-height: 1.8;
-}
-a[href].post-tag,
-a[href].post-tag:visited {
-  color: inherit;
-}
-a[href].post-tag:hover,
-a[href].post-tag:focus {
-  background-color: var(--lightgray);
-}
-.postlist-item > .post-tag {
-  align-self: center;
-}
-
-/* Warning */
-.warning {
-  background-color: #ffc;
-  padding: 1em 0.625em; /* 16px 10px /16 */
-}
-.warning ol:only-child {
-  margin: 0;
-}
-
-/* Direct Links / Markdown Headers */
-.direct-link {
-  font-family: sans-serif;
-  text-decoration: none;
-  font-style: normal;
-  margin-left: .1em;
-}
-a[href].direct-link,
-a[href].direct-link:visited {
-  color: transparent;
-}
-a[href].direct-link:focus,
-a[href].direct-link:focus:visited,
-:hover > a[href].direct-link,
-:hover > a[href].direct-link:visited {
-  color: #aaa;
-}