diff --git a/frontend/resources/styles/main/partials/left-toolbar.scss b/frontend/resources/styles/main/partials/left-toolbar.scss
index 1fab2b9b3..1385bfc92 100644
--- a/frontend/resources/styles/main/partials/left-toolbar.scss
+++ b/frontend/resources/styles/main/partials/left-toolbar.scss
@@ -42,14 +42,13 @@ $width-left-toolbar: 48px;
     flex-shrink: 0;
     height: 48px;
     justify-content: center;
-    margin: $x-small 0;
     position: relative;
     width: 48px;
 
     svg {
       fill: $color-gray-20;
-      height: 18px;
-      width: 18px;
+      height: 16px;
+      width: 16px;
     }
 
     &:hover {
diff --git a/frontend/resources/styles/main/partials/workspace-header.scss b/frontend/resources/styles/main/partials/workspace-header.scss
index b1def9cf0..6fd1cd7e3 100644
--- a/frontend/resources/styles/main/partials/workspace-header.scss
+++ b/frontend/resources/styles/main/partials/workspace-header.scss
@@ -21,6 +21,7 @@
   .main-icon {
     align-items: center;
     background-color: $color-gray-60;
+    border-bottom: 1px solid $color-gray-50;
     cursor: pointer;
     display: flex;
     height: 100%;