Where is the ccs code box on the dashboard?

Hello im trying to make my logo bigger but i cant find where to put the css code.
i would like to know if someone can help me to solve this problem, ty so much!

You will need to instal a custom CSS plugin, JP Custom CSS, Simple CSS etc will work

Hello there,

Please follow the solution posted on this thread: https://athemes.com/forums/topic/logo-size-increase-2/#post-126820