#titlebar-minimize, #titlebar-close { background-color: transparent; transition: background-color 200ms; border-radius: 10px; } #titlebar-minimize:hover { background-color: rgba(99, 99, 99, .5); } #titlebar-minimize:focus, #titlebar-minimize:active { background-color: rgba(99, 99, 99, .75); } #titlebar-close:hover { background-color: rgba(255, 0, 0, .5); } #titlebar-close:focus, #titlebar-close:active { background-color: rgba(255, 0, 0, .75); } *::selection { background-color: transparent; } *::inactive-selection { background-color: transparent; }