doc: fix matrix CSS for recent sphinx

It seems sphinx >= 2.0 is inserting a <p> tag in each table cell.
The feature table (matrix) style needs to be updated to avoid
cells being too big.

The margin, padding and line height are overridden.
The font size in percentage is replaced with an equivalent pixel size.
The border is explicit because it disappeared for th.

Signed-off-by: Thomas Monjalon <thomas@monjalon.net>

diff --git a/doc/guides/conf.py b/doc/guides/conf.py
index 08dcfcff54a3b3d19c75b09a3b61d299924500e5..9093ad31a0a1589d19966f5f6ed25e017ca20244 100644 (file)
--- a/doc/guides/conf.py
+++ b/doc/guides/conf.py
@@ -314,16 +314,22 @@ def print_table_css(outfile, table_id):
          cursor: default;
          overflow: hidden;
       }
+      table#idx p {
+         margin: 0;
+         line-height: inherit;
+      }
       table#idx th, table#idx td {
          text-align: center;
+         border: solid 1px #ddd;
       }
       table#idx th {
-         font-size: 72%;
+         padding: 0.5em 0;
+      }
+      table#idx th, table#idx th p {
+         font-size: 11px;
          white-space: pre-wrap;
          vertical-align: top;
-         padding: 0.5em 0;
          min-width: 0.9em;
-         width: 2em;
       }
       table#idx col:first-child {
          width: 0;
@@ -332,9 +338,11 @@ def print_table_css(outfile, table_id):
          vertical-align: bottom;
       }
       table#idx td {
-         font-size: 70%;
          padding: 1px;
       }
+      table#idx td, table#idx td p {
+         font-size: 11px;
+      }
       table#idx td:first-child {
          padding-left: 1em;
          text-align: left;