Add CSS resets for height and min-height (#2130)

Refs django/djangoproject.com#2041.

Author: matthiask

debug_toolbar/static/debug_toolbar/css/toolbar.css

@@ -127,8 +127,10 @@
 #djDebug button {
     margin: 0;
     padding: 0;
-    min-width: 0;
+    min-width: auto;
     width: auto;
+    min-height: auto;
+    height: auto;
     border: 0;
     outline: 0;
     font-size: 12px;

docs/changes.rst

@@ -17,6 +17,8 @@ Pending
   templates.
 * Swapped display order of panel header and close button to prevent style
   conflicts
+* Added CSS for resetting the height of elements too to avoid problems with
+  global CSS of a website where the toolbar is used.
 
 5.1.0 (2025-03-20)
 ------------------