minor styles adjustments

ui/src/components/base/Dragline.svelte

@@ -86,15 +86,13 @@
 <style lang="scss">
     .dragline {
         position: relative;
-        z-index: 99999;
+        z-index: 9;
         left: 0;
         top: 0;
         height: 100%;
         width: 5px;
         padding: 0;
-        margin: 0;
-        margin-left: -1px;
-        margin-right: -3px;
+        margin: 0 -3px 0 -1px;
         background: none;
         cursor: ew-resize;
         box-sizing: content-box;

ui/src/scss/_base.scss

@@ -581,8 +581,8 @@ a.thumb:not(.thumb-active) {
         @include shadowize(0px 2px 4px 1px var(--shadowColor));
     }
     &:active {
-        transition-duration: 0s;
-        transform: scale(0.95);
+        transition-duration: var(--activeAnimationSpeed);
+        transform: scale(0.97);
     }
 }
 

ui/src/scss/_file_picker.scss

@@ -53,8 +53,6 @@
         cursor: pointer;
         outline: 0;
         transition: box-shadow var(--baseAnimationSpeed);
-        &:hover {
-        }
     }
 }