diff --git a/theme-github-auto.css b/theme-github-auto.css
index 45ea688..730d5b9 100644
--- a/theme-github-auto.css
+++ b/theme-github-auto.css
@@ -974,7 +974,7 @@
   .ui.form .field .dropdown,
   .ui.form .field .dropdown .menu > .item {
     background-color: var(--color-border);
-    border: 0px solid black !important;
+    /* border: 0px solid black !important; */
   }
 
   /* hover font color */
@@ -986,6 +986,13 @@
     color: var(--color-text);
   }
 
+  .ui.selection.active.dropdown,
+  .ui.selection.active.dropdown:hover,
+  .ui.selection.active.dropdown .menu,
+  .ui.selection.active.dropdown:hover .menu {
+    border-color: #373e47;
+  }
+
   /* user avatar background */
   .user.profile .ui.card #profile-avatar {
     background: var(--color-navbar);
diff --git a/theme-github-dark.css b/theme-github-dark.css
index bfdc71f..900c836 100755
--- a/theme-github-dark.css
+++ b/theme-github-dark.css
@@ -6,7 +6,7 @@
   --color-navbar: #161b22;
   --color-footer: #161b22;
   --color-text-light: #a6aab5;
-  --color-text-light-2: #ADBAC7;
+  --color-text-light-2: #adbac7;
   --color-grey-light: var(--color-text-light);
   --color-text: #bbc0ca;
   --color-box-body: #22272e;
@@ -23,7 +23,7 @@
   --is-dark-theme: true;
   --color-blue: #4796f9;
   --color-input-background: #22272e;
-  --color-primary-contrast: #ADBAC7;
+  --color-primary-contrast: #adbac7;
   --color-text-light-2: #a6aab5;
   --color-box-body: #161b22;
   --color-box-header: #161b22;
@@ -333,7 +333,7 @@ textarea,
 .code-diff-split .del-code .add-code.lines-num-new,
 .code-diff-split .del-code .add-code.lines-type-marker-new,
 .code-diff-split .del-code .add-code.lines-code-new {
-  background: rgba(70,149,74,0.15);
+  background: rgba(70, 149, 74, 0.15);
 }
 
 .tag-code,
@@ -433,7 +433,7 @@ textarea,
   background: var(--color-navbar);
   border-bottom: 3px solid #f78166 !important;
   border: 0px solid black;
-  color: #ADBAC7;
+  color: #adbac7;
 }
 
 /* repo watch and fork counters */
@@ -488,7 +488,7 @@ textarea,
 .code-diff-split .del-code .lines-num-old,
 .code-diff-split .del-code .lines-type-marker-old,
 .code-diff-split .del-code .lines-code-old {
-  background: rgba(229,83,75,0.15);
+  background: rgba(229, 83, 75, 0.15);
 }
 
 /* diff color neutral */
@@ -532,7 +532,7 @@ a.blob-excerpt {
 .ui.form .field .dropdown,
 .ui.form .field .dropdown .menu > .item {
   background-color: var(--color-border);
-  border: 0px solid black !important;
+  /* border: 0px solid black !important; */
 }
 
 /* hover font color */
@@ -544,6 +544,13 @@ a.blob-excerpt {
   color: var(--color-text);
 }
 
+.ui.selection.active.dropdown,
+.ui.selection.active.dropdown:hover,
+.ui.selection.active.dropdown .menu,
+.ui.selection.active.dropdown:hover .menu {
+  border-color: #373e47;
+}
+
 /* user avatar background */
 .user.profile .ui.card #profile-avatar {
   background: var(--color-navbar);
@@ -948,7 +955,7 @@ footer {
 
 .ui.basic.primary.button,
 .ui.basic.primary.buttons .button {
-  color: #ADBAC7 !important;
+  color: #adbac7 !important;
   font-weight: 500 !important;
 }
 
@@ -964,7 +971,7 @@ footer {
 .ui.vertical.menu .active.item:hover {
   background: #161b22;
   font-weight: 500;
-  color: #ADBAC7;
+  color: #adbac7;
 }
 .ui.primary.labels .label,
 .ui.ui.ui.primary.label {
@@ -985,17 +992,20 @@ footer {
 .repository.view.issue .comment-list .comment > .content > div:first-child {
   border-bottom: 1px solid #373e47 !important;
 }
-.tag-code, .tag-code td, .tag-code .blob-excerpt {
+.tag-code,
+.tag-code td,
+.tag-code .blob-excerpt {
   background-color: var(--color-body);
 }
 
 /* issue \& PR count labels */
-.ui.menu .item>.label {
-  background: rgba(99,110,123,0.4);
+.ui.menu .item > .label {
+  background: rgba(99, 110, 123, 0.4);
   color: #cdd9e5;
 }
 
-.ui.basic.red.buttons .button, .ui.basic.red.button {
+.ui.basic.red.buttons .button,
+.ui.basic.red.button {
   color: var(--color-red);
   border: 1px solid var(--color-red);
   border-radius: 16px;
@@ -1005,19 +1015,20 @@ footer {
 
 #navbar a.item .notification_count {
   color: var(--color-text);
-
 }
 
-.ui.secondary.menu .dropdown.item:hover, .ui.secondary.menu a.item:hover {
+.ui.secondary.menu .dropdown.item:hover,
+.ui.secondary.menu a.item:hover {
   color: #e3e3e3;
 }
 
-.ui.secondary.menu .active.item, .ui.secondary.menu .active.item:hover {
+.ui.secondary.menu .active.item,
+.ui.secondary.menu .active.item:hover {
   color: #e3e3e3;
   background-color: var(--color-nav-bg);
 }
 
 // list in Pull requests view
-.issue.list>.item .desc {
+.issue.list > .item .desc {
   color: var(--color-text);
 }