.window-frame, .window-frame:backdrop {
  box-shadow: none;
  border-style: none;
  margin: 0;
  border-radius: 0;
}

.titlebar {
  border-radius: 0;
}

window decoration {
    margin: 0;
}

VteTerminal, vte-terminal {
    padding: 10px;
}

headerbar.default-decoration {
 padding-top: 0;
 padding-bottom: 0;
 min-height: 0;
 font-size: 0.8em;
}

headerbar.default-decoration button.titlebutton {
 padding: 0;
 min-height: 0;
}