window { background-color: #2e3440; border-radius: 15px; } /* Outer bar container, takes all the window width/height */ #outer-box { margin: 5px } /* Inner bar container, surrounds buttons */ #inner-box { border: none; padding: 5px; margin: 5px } button, image { background: none; border: none; box-shadow: none; color: #d8dee9; } button { padding-left: 10px; padding-right: 10px; margin: 5px } button:hover { background-color: #5E81AC; }