Fix for issue 8806: Button highlights doesn't respect rounded corners (…

…#9320)

CHANGELOG.md

@@ -63,6 +63,7 @@ Note that this project **does not** adhere to [Semantic Versioning](http://semve
 - We fixed a performance regression when opening large libraries [#9041](https://github.com/JabRef/jabref/issues/9041)
 - We fixed a bug where spaces are trimmed when highlighting differences in the Entries merge dialog. [koppor#371](https://github.com/koppor/jabref/issues/371)
 - We fixed some visual glitches with the linked files editor field in the entry editor and increased its height. [#8823](https://github.com/JabRef/jabref/issues/8823)
+- We fixed some visual inconsistencies (round corners of highlighted buttons). [#8806](https://github.com/JabRef/jabref/issues/8806)
 - We fixed several bugs regarding the manual and the autosave of library files that sometimes lead to exceptions or data loss. [#9067](https://github.com/JabRef/jabref/pull/9067), [#8448](https://github.com/JabRef/jabref/issues/8484), [#8746](https://github.com/JabRef/jabref/issues/8746), [#6684](https://github.com/JabRef/jabref/issues/6684), [#6644](https://github.com/JabRef/jabref/issues/6644), [#6102](https://github.com/JabRef/jabref/issues/6102), [#6002](https://github.com/JabRef/jabref/issues/6000)
 - We fixed an issue where applied save actions on saving the library file would lead to the dialog "The library has been modified by another program" popping up [#4877](https://github.com/JabRef/jabref/issues/4877)
 - We fixed issues with save actions not correctly loaded when opening the library. [#9122](https://github.com/JabRef/jabref/pull/9122)

src/main/java/org/jabref/gui/Base.css

@@ -339,7 +339,7 @@ TextFlow > .tooltip-text-monospaced {
 .combo-box-base:editable > .arrow-button {
     -fx-background-color: transparent;
     -fx-background-insets: 0;
-    -fx-background-radius: 0;
+    -fx-background-radius: 4px;
     -fx-text-fill: -fx-text-base-color;
 }