refractor + style tweaks

- bugfix on lower
- delay between 0-60 minutes
- action buttons in dropdown
- added button for toggling element visibility
- several css and code cleanups
- renamed settingsAPI

client/src/common/components/buttons/NextIconBtn.jsx

@@ -5,11 +5,12 @@ export default function NextIconBtn(props) {
   return (
     <IconButton
       icon={<FiSkipForward />}
-      colorScheme= 'whiteAlpha'
+      colorScheme='whiteAlpha'
       backgroundColor='#ffffff05'
-      variant= 'outline'
+      variant='outline'
       onClick={props.clickHandler}
       width={90}
+      _focus={{ boxShadow: 'none' }}
     />
   );
 }