diff --git a/theme/boost/scss/moodle/core.scss b/theme/boost/scss/moodle/core.scss
index e5b97391416..41921a7b58c 100644
--- a/theme/boost/scss/moodle/core.scss
+++ b/theme/boost/scss/moodle/core.scss
@@ -158,7 +158,7 @@ a:not([class]),
 .aabtn,
 .btn-link,
 .nav-link,
-.atto_link_button,
+.editor_atto_toolbar button,
 [role="button"],
 .list-group-item-action,
 input[type="checkbox"],
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 0539a8e57bc..90d945882d9 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -9784,8 +9784,8 @@ a:not([class]):focus:hover,
 .btn-link:focus,
 .nav-link.focus,
 .nav-link:focus,
-.atto_link_button.focus,
-.atto_link_button:focus,
+.editor_atto_toolbar button.focus,
+.editor_atto_toolbar button:focus,
 [role="button"].focus,
 [role="button"]:focus,
 .list-group-item-action.focus,
@@ -9816,7 +9816,7 @@ button.close:focus,
 .aabtn:focus:hover,
 .btn-link:focus:hover,
 .nav-link:focus:hover,
-.atto_link_button:focus:hover,
+.editor_atto_toolbar button:focus:hover,
 [role="button"]:focus:hover,
 .list-group-item-action:focus:hover,
 input[type="checkbox"]:focus:hover,
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index cdbdf87f5ec..1fd4946e4fe 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -9996,8 +9996,8 @@ a:not([class]):focus:hover,
 .btn-link:focus,
 .nav-link.focus,
 .nav-link:focus,
-.atto_link_button.focus,
-.atto_link_button:focus,
+.editor_atto_toolbar button.focus,
+.editor_atto_toolbar button:focus,
 [role="button"].focus,
 [role="button"]:focus,
 .list-group-item-action.focus,
@@ -10028,7 +10028,7 @@ button.close:focus,
 .aabtn:focus:hover,
 .btn-link:focus:hover,
 .nav-link:focus:hover,
-.atto_link_button:focus:hover,
+.editor_atto_toolbar button:focus:hover,
 [role="button"]:focus:hover,
 .list-group-item-action:focus:hover,
 input[type="checkbox"]:focus:hover,