PEP 0: Set consistent table column widths (#3339)

pep_sphinx_extensions/pep_theme/static/style.css

@@ -230,6 +230,22 @@ table th + th,
 table td + td {
     border-left: 1px solid var(--colour-background-accent-strong);
 }
+/* Common column widths for PEP status tables  */
+table.pep-zero-table tr td:nth-child(1) {
+    width: 5.5%;
+}
+table.pep-zero-table tr td:nth-child(2) {
+    width: 6.5%;
+}
+table.pep-zero-table tr td:nth-child(3),
+table.pep-zero-table tr td:nth-child(4){
+    width: 44%;
+}
+/* Authors & Sponsors table */
+#authors-owners table td,
+#authors-owners table th {
+    width: 50%;
+}
 
 /* Breadcrumbs rules */
 section#pep-page-section > header {