.nav-link { transition: opacity 0.2s ease-in-out, color 0.2s ease-in-out; color: #4568dc; } .nav-link:hover { opacity: 0.75; } .logo { transition: opacity 0.2s ease-in-out, color 0.2s ease-in-out; color: white; } .logo:hover { opacity: 0.75; color: #ccc; } .MuiMenuItem-root { font-size: 16px; font-weight: bold; color: #4568dc; transition: opacity 0.2s ease-in-out, color 0.2s ease-in-out; } .MuiMenuItem-root:hover { opacity: 0.75; color: #b06ab3; }