Update markdown-dark.css

Author: benhatsor

live-view/extensions/markdown/markdown-dark.css

@@ -146,6 +146,27 @@ body li + li {
   margin-top: 0.25em;
 }
 
+body li:has(> input[type="checkbox"]) {
+  list-style: none;
+  margin-left: -1em;
+}
+
+body input[type="checkbox"] {
+  width: 18px;
+  height: 18px;
+  margin: 0;
+  margin-bottom: -3px;
+  margin-right: 2px;
+  background: url(data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIGhlaWdodD0iMjRweCIgdmlld0JveD0iMCAwIDI0IDI0IiB3aWR0aD0iMjRweCIgZmlsbD0iIzgyODY4OSI+PHBhdGggZD0iTTAgMGgyNHYyNEgwVjB6IiBmaWxsPSJub25lIi8+PHBhdGggZD0iTTE4IDE5SDZjLS41NSAwLTEtLjQ1LTEtMVY2YzAtLjU1LjQ1LTEgMS0xaDEyYy41NSAwIDEgLjQ1IDEgMXYxMmMwIC41NS0uNDUgMS0xIDF6bTEtMTZINWMtMS4xIDAtMiAuOS0yIDJ2MTRjMCAxLjEuOSAyIDIgMmgxNGMxLjEgMCAyLS45IDItMlY1YzAtMS4xLS45LTItMi0yeiIvPjwvc3ZnPg==);
+  background-size: 100%;
+  appearance: none;
+  -webkit-appearance: none;
+}
+
+body input[type="checkbox"][checked] {
+  background-image: url(data:image/svg+xml;base64,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);
+}
+
 body code, body tt {
   padding: 0.2em 0.4em;
   margin: 0;