Hide line below search bar in dark themes

The results return an empty div with a background color set (not sure
why, not generated on Whoogle's side). This unsets the background color
so that at least it isn't visible.

app/models/g_classes.py

@@ -15,6 +15,7 @@ class GClasses:
     result_class_a = 'ZINbbc'
     result_class_b = 'luh4td'
     scroller_class = 'idg8be'
+    line_tag = 'BsXmcf'
 
     result_classes = {
         result_class_a: ['Gx5Zad'],

app/static/css/dark-theme.css

@@ -70,6 +70,10 @@ select {
     border-radius: 8px !important;
 }
 
+.BsXmcf {
+    background-color: unset !important;
+}
+
 .KP7LCb {
     box-shadow: 0 0 0 0 !important;
 }

app/static/css/light-theme.css

@@ -45,6 +45,10 @@ select {
     box-shadow: 0 1px 6px rgba(32,33,36,0.28) !important;
 }
 
+.BsXmcf {
+    background-color: unset !important;
+}
+
 .BVG0Nb {
     background-color: var(--whoogle-result-bg) !important;
 }