Apply UI bg color to dialogue popup

public/style.css

@@ -1808,7 +1808,7 @@ grammarly-extension {
     box-shadow: 0px 0px 14px var(--black70a);
     border: 1px solid var(--SmartThemeBorderColor);
     padding: 4px;
-    background-color: var(--black50a);
+    background-color: var(--SmartThemeBlurTintColor);
     border-radius: 10px;
     max-height: 90vh;
     max-height: 90svh;
@@ -2314,20 +2314,6 @@ input[type="range"]::-webkit-slider-thumb {
     opacity: 1;
 }
 
-#shadow_tips_popup {
-    display: none;
-    opacity: 0.0;
-    position: absolute;
-    width: 100%;
-    height: 100vh;
-    height: 100svh;
-    z-index: 2055;
-    background-color: var(--black70a);
-    -webkit-backdrop-filter: blur(var(--SmartThemeBlurStrength));
-    backdrop-filter: blur(var(--SmartThemeBlurStrength));
-}
-
-
 .mes_buttons,
 .extraMesButtons {
     /* height: 20px; */