Please share the proper screenshot of which element you want to change the color of.
Please highlight the element you want to change the color and on which action on that screenshot.
It would be easily understandable then to solve your issue without any further delay.
Hi
Please goto wp-admin >>> appearance >>> customize >>> custom css >>> paste & save.
header.standard nav .sub-menu li a:hover{background:transparent !important;color:#000 !important; }header.standard nav .sub-menu li a:hover, header.standard nav .sub-menu li:hover a{background:transparent;}
Check this: https://screencast-o-matic.com/watch/cq1llOTBD7
And for logo, it seems like there is a bug in the theme, we are updating the theme tomorrow.
It will be fixed then.