Make summary like link

Author: tfpf

.github/workflows/test.yml

@@ -16,5 +16,5 @@ jobs:
       - run: |
           cp .gitconfig ~
           sudo cp diff/diff.py /usr/bin
-          test $(sha256sum $(git ss a257771) | awk '{print $1}') = 344d9963e44d1d07031eced473b1948ff2acc3b1494afb8a28b22083b58799bb
+          test $(sha256sum $(git ss a257771) | awk '{print $1}') = a6c509110346973b76d8203f461927ad2ba08784cdefde35156c72412c0493f6
         name: Verify diff hash

diff/diff.py

@@ -30,7 +30,7 @@
         .diff_header {background-color: #e0e0e0;}
         td.diff_header {text-align: right;}
         details {display: inline-block; margin: 0px 4px 80px 4px;}
-        summary {background-color: #e0e0e0; border-width: 1px 1px 0px 1px; border-style: solid; padding: 0px 4px 0px 4px; position: sticky; top: 0px;}
+        summary {background-color: #e0e0e0; border-width: 1px 1px 0px 1px; border-style: solid; cursor: pointer; padding: 0px 4px 0px 4px; position: sticky; top: 0px;}
         .diff_next {background-color: #c0c0c0;}
         .diff_add {background-color: #aaffaa;}
         .diff_chg {background-color: #ffff77;}