theme tweaks, fixed #5068

tabby-core/src/components/appRoot.component.scss

@@ -6,7 +6,6 @@
     overflow: hidden;
     user-select: none;
     -webkit-user-drag: none;
-    -webkit-font-smoothing: antialiased;
     will-change: transform;
     cursor: default;
     animation: 0.5s ease-out fadeIn;

tabby-core/src/components/selectorModal.component.scss

@@ -7,12 +7,17 @@
     overflow: auto;
     border-top-left-radius: 0;
     border-top-right-radius: 0;
-    padding: 0 15px;
+    padding: 10px 15px;
 }
 
 .group-header {
     padding: 0 1rem;
-    margin: 20px 0 10px;
+    margin: 15px 0 10px;
+    font-weight: bold;
+
+    &:first-child {
+        margin-top: 5px;
+    }
 }
 
 .icon {

tabby-core/src/theme.vars.scss

@@ -199,3 +199,5 @@ $alert-border-level: 5;
 $alert-color-level: -5;
 
 $text-muted: rgba(255, 255, 255, 0.5);
+
+$card-bg: $list-group-bg;