[dpdk-dev] [PATCH 1/3] doc: fix matrix CSS for recent sphinx

[Thomas Monjalon <thomas@monjalon.net>]

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 overriden.
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>
---
 doc/guides/conf.py | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/doc/guides/conf.py b/doc/guides/conf.py
index c368fa51d4..804c4aa74f 100644
--- 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;
-- 
2.25.1