@mixin zotero-window { background: var(--material-sidepane); --color-form-element-base-background: var(--material-sidepane); } @mixin zotero-dialog { background: var(--material-background); --color-form-element-base-background: var(--material-background); } window:root, window:root > wizard, body { @include zotero-window(); } window:root > dialog { @include zotero-dialog(); } // Can overwrite default style window:root .zotero-window { @include zotero-window(); } window:root .zotero-dialog { @include zotero-dialog(); } // Dialogs (e.g. the integration doc prefs window) has 20px padding on MacOS window:root dialog.zotero-dialog-window { @media (-moz-platform: macos) { padding: 20px; } }