diff --git a/CLAUDE.md b/CLAUDE.md
index a9464cb..c52926c 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -44,7 +44,12 @@ Two things a future session should know:
 ## Testing
 
 `.github/workflows/python-tests.yml` runs `pytest tests/` on pull requests and
-pushes to main. 25 tests.
+pushes to main. **101 tests**, verified on 2026-09-23 against the pinned set on
+Python 3.11.
+
+This said 25 for as long as the file existed, and so did the header comment in
+`requirements.txt`, while the Layout section above said 101. Two numbers for one
+suite, in one repository, and nothing compared either against `pytest`.
 
 ```
 pip install -r requirements.txt
diff --git a/assets/css/stack.css b/assets/css/stack.css
index d44bd78..cb49da2 100644
--- a/assets/css/stack.css
+++ b/assets/css/stack.css
@@ -129,7 +129,16 @@ a { color: inherit; text-decoration: none; }
        transition: background .12s, color .12s; }
 .row:hover, .row:focus-visible { background: var(--ink); color: var(--bg); }
 .row b { font-weight: 600; font-size: .95rem; }
-.row span { font-family: var(--mono); font-size: .66rem; opacity: .7; white-space: nowrap; }
+.row span { font-family: var(--mono); font-size: .66rem; white-space: nowrap; }
+/* Opacity belongs on the tag, not on every span in the row. `.t` is itself a
+   span wrapping the title and the tag, so `.row span { opacity: .7 }` applied
+   twice to the tag (0.7 x 0.7 = 0.49) and once to the title. Measured on the
+   InsightStack landing page: the tag came out #84827f on #f6f2ea, 3.43:1 at
+   10.56px, failing AA on 18 elements, and every row title rendered at 70%
+   opacity, which is the opposite of what `.row b { font-weight: 600 }` is for.
+   The comment below already records the same selector doing the same thing to
+   white-space; that was scoped and this was not. */
+.row .t > span { opacity: .7; }
 
 /* --- calculator layout --------------------------------------------------- */
 .calc { display: grid; grid-template-columns: 1.05fr .95fr; gap: 0;
diff --git a/requirements.txt b/requirements.txt
index 2dda487..190acae 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@
 # failure waiting for a quiet week.
 #
 # Every version below was resolved together and verified on Python 3.11 with the
-# full test suite green (25 tests). Raise them deliberately, together, and re-run
+# full test suite green (101 tests). Raise them deliberately, together, and re-run
 # the suite; do not let a resolver do it silently.
 
 pandas==2.3.3