fix: popover selection wrongly including line breaks

assets/styles/base.scss

@@ -505,9 +505,17 @@ header {
   opacity: 0;
   pointer-events: none;
   transition: opacity 0.2s ease, transform 0.2s ease;
-  transition-delay: 0.3s;
+  transition-delay: 0.1s;
   user-select: none;
 
+  & > * {
+    display: none;
+  }
+
+  &.visible > * {
+    display: inline-block;
+  }
+
   @media all and (max-width: 600px) {
     display: none;
   }