diff --git a/static/command-panel.css b/static/command-panel.css
index eeb565268..95f889e41 100644
--- a/static/command-panel.css
+++ b/static/command-panel.css
@@ -1,6 +1,6 @@
 .command-panel {
-  padding: 5px;
   position: relative;
+  padding: 0;
 }
 
 .command-panel .is-loading {
@@ -20,7 +20,7 @@
 .command-panel .preview-list {
   max-height: 300px;
   overflow: auto;
-  margin: 10px 0 10px 10px;
+  margin: 0 0 10px 0;
   position: relative;
   cursor: default;
 }
@@ -81,7 +81,6 @@
 
 .command-panel .prompt-and-editor .editor {
   position: relative;
-  margin-right: -4px;
 }
 
 .command-panel .prompt-and-editor {
diff --git a/themes/atom-dark-ui/command-panel.css b/themes/atom-dark-ui/command-panel.css
index f2c6648ba..a28525d6c 100644
--- a/themes/atom-dark-ui/command-panel.css
+++ b/themes/atom-dark-ui/command-panel.css
@@ -9,7 +9,7 @@
 .command-panel .preview-list {
   background-color: #19191b;
   color: #C5C8C6;
-  border: 1px solid rgba(0, 0, 0, 0.5);
+  border: 1px solid rgba(0, 0, 0, 0.2);
   border-bottom: 1px solid rgba(255, 255, 255, 0.05);
   border-right: 1px solid rgba(255, 255, 255, 0.05);
 }