diff --git a/theme-github-dark.css b/theme-github-dark.css
index 8e1a5b0..6247224 100755
--- a/theme-github-dark.css
+++ b/theme-github-dark.css
@@ -600,6 +600,16 @@ textarea,
   background: transparent;
   border-radius: 6px;
 }
+.repository .sha.label .icon.button {
+  margin: -5px -10px -4px 4px !important;
+  padding: 6px 4px 5px 6px !important;
+}
+
+.ui.attached.isSigned.isVerified.message {
+  background-color: var(--color-success-bg);
+  color: var(--color-white);
+  border: 1px solid var(--color-primary) !important;
+}
 
 .ui.container .ui.tabular.menu .active.item,
 .ui.container .ui.tabular.menu .active.item:hover {