diff --git a/web/src/main/resources/static/css/app.css b/web/src/main/resources/static/css/app.css
index 803063f..791a6b2 100644
--- a/web/src/main/resources/static/css/app.css
+++ b/web/src/main/resources/static/css/app.css
@@ -467,7 +467,7 @@ code.code { padding: 0.125rem 0.5rem; border-radius: var(--radius-xs); font-fami
 .variant-btn.manual .cell-none { font-weight: 600; }
 .score-link {
     display: inline-block; padding: 0; border: none; background: none;
-    font-size: 0.75rem; font-weight: 600; font-variant-numeric: tabular-nums;
+    font-size: 0.84375rem; font-weight: 600; font-variant-numeric: tabular-nums;
     color: var(--c-text); cursor: pointer;
 }
 .score-link:hover { color: var(--c-accent); text-decoration: underline; }
@@ -555,7 +555,7 @@ dialog.dlg.dlg-lg .dlg-body { max-height: 88vh; min-height: 62vh; }
     font-size: 0.75rem; font-weight: 500; color: var(--c-text-muted);
     background: var(--c-surface); white-space: nowrap;
 }
-.matrix td { vertical-align: middle; padding: 1rem; font-size: 0.75rem; }
+.matrix td { vertical-align: middle; padding: 1rem; font-size: 0.84375rem; }
 #group-table td .student-name,
 #group-table td .score-link,
 #group-table td .attestation-select,
@@ -565,7 +565,7 @@ dialog.dlg.dlg-lg .dlg-body { max-height: 88vh; min-height: 62vh; }
 #group-table td .font-mono,
 #group-table td .mini-count,
 #group-table td .badge,
-#group-table td .btn { font-size: 0.75rem; }
+#group-table td .btn { font-size: 0.84375rem; }
 /* Непрозрачный фон обязателен: закреплённый столбец не должен просвечивать при прокрутке. */
 .matrix tbody tr:hover td { background: var(--c-row-hover); }
 .matrix tbody tr:hover td.matrix-sticky { background: var(--c-row-hover); }
@@ -577,9 +577,12 @@ dialog.dlg.dlg-lg .dlg-body { max-height: 88vh; min-height: 62vh; }
 #group-table th.actions-head { color: var(--c-text); font-weight: 400; }
 #group-table th.actions-head,
 #group-table td.actions-cell { border-left: 1px solid var(--c-border); }
-.matrix th.attestation-col,
+.matrix th.attestation-col {
+    width: 11.5rem; min-width: 11rem; max-width: 11.5rem;
+    border-left: 1px solid var(--c-border);
+}
 .matrix td.attestation-cell {
-    width: 10.5rem; min-width: 10rem; max-width: 10.5rem;
+    width: 11.5rem; min-width: 11rem; max-width: 11.5rem;
     padding-left: 0.35rem; padding-right: 0.35rem;
     border-left: 1px solid var(--c-border);
 }
@@ -599,7 +602,7 @@ dialog.dlg.dlg-lg .dlg-body { max-height: 88vh; min-height: 62vh; }
     width: 100%; max-width: 100%; min-width: 0; padding: 0.15rem 0.95rem 0.15rem 0.15rem;
     border: 1px solid transparent; border-radius: var(--radius-sm);
     background-color: transparent; color: var(--c-text);
-    font-size: 0.75rem; font-weight: 600; font-variant-numeric: tabular-nums;
+    font-size: 0.84375rem; font-weight: 600; font-variant-numeric: tabular-nums;
     text-align: left; text-align-last: left; cursor: pointer;
     background-image:
         linear-gradient(45deg, transparent 50%, currentColor 50%),
diff --git a/web/src/main/resources/templates/fragments/base.html b/web/src/main/resources/templates/fragments/base.html
index cc879f0..633e6de 100644
--- a/web/src/main/resources/templates/fragments/base.html
+++ b/web/src/main/resources/templates/fragments/base.html
@@ -17,7 +17,7 @@
     <!-- v=37: сброс кэша стилей после изменения геометрии; при изменении css поднимать версию -->
     <link rel="stylesheet" th:href="@{/css/bootstrap.min.css}">
     <link rel="stylesheet" th:href="@{/css/bootstrap-icons.min.css}">
-        <link rel="stylesheet" th:href="@{/css/app.css(v='49')}">
+        <link rel="stylesheet" th:href="@{/css/app.css(v='50')}">
     <link id="hljs-light" rel="stylesheet" th:href="@{/css/hljs-github.css(v='36')}">
     <link id="hljs-dark" rel="stylesheet" th:href="@{/css/hljs-github-dark.css(v='36')}" disabled>
     <script th:src="@{/js/highlight.min.js(v='36')}" defer></script>