@namespace html "http://www.w3.org/1999/xhtml";
@namespace xul "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
-html|body,
+*|*:root {
+ --in-content-page-color: #000000;
+ --in-content-page-background: #CCD0DD;
+ --in-content-text-color: #000000;
+ --in-content-selected-text: #000000;
+ ---in-content-header-border-color: #c8c8c8;
+ --in-content-box-background: #CCD0DD;
+ ---in-content-box-background-odd: #f3f6fa;
+ ---in-content-box-background-hover: #ebebeb;
+ ---in-content-box-background-active: #dadada;
+ --in-content-box-border-color: #CCD0DD;
+ ---in-content-item-hover: rgba(0,149,221,0.25);
+ ---in-content-item-selected: #0095dd;
+ --in-content-border-highlight: #33FF33;
+ ---in-content-border-focus: #0095dd;
+ --in-content-border-color: #9999CC;
+ --in-content-category-text: #000000;
+ --in-content-category-border-focus: 1px dotted #FFFFFF;
+ --in-content-category-text-selected: #FFFFFF;
+ --in-content-category-background: #666699;
+ --in-content-category-background-hover: #CCD0DD;
+ --in-content-category-background-active: #336699;
+ ---in-content-tab-color: #424f5a;
+ ---in-content-link-color: #0095dd;
+ ---in-content-link-color-hover: #178ce5;
+ ---in-content-link-color-active: #ff9500;
+ ---in-content-link-color-visited: #551a8b;
+ ---in-content-primary-button-background: #0095dd;
+ ---in-content-primary-button-background-hover: #008acb;
+ ---in-content-primary-button-background-active: #006b9d;
+ --in-content-table-border-dark-color: #9999CC;
+ --in-content-table-header-background: #666699;
+ --in-content-disabled-text: #999999;
+}
+
+html|html,
xul|page,
xul|window {
font: 11px "Liberation Sans",Arial,Tahoma,Helvetica,sans-serif;
-moz-appearance: none;
- background-color: #CCD0DD;
- color: #000000;
+ background-color: var(--in-content-page-background);
+ color: var(--in-content-page-color);
}
html|body {
font-size: 2.5em;
font-weight: lighter;
line-height: 1.2;
- color: #000000;
+ color: var(--in-content-text-color);
margin: 0;
margin-bottom: .5em;
}
html|hr {
border-style: solid none none none;
- border-color: #666699;
+ border-color: var(--in-content-border-color);
}
xul|caption {
}
+html|h2,
xul|caption > xul|checkbox,
xul|caption > xul|label {
- margin-top: 0;
- margin-bottom: 0;
}
-xul|description {
- -moz-margin-start: 0;
+xul|caption > xul|checkbox,
+xul|caption > xul|label {
+ margin-top: 0;
+ margin-bottom: 0;
}
*|*.main-content {
padding-top: 40px;
- -moz-padding-end: 48px; /* orig is 44px to compensate the 4px margin of child elements */
+ padding-inline-end: 48px; /* orig is 44px to compensate the 4px margin of child elements */
padding-bottom: 48px;
- -moz-padding-start: 48px;
+ padding-inline-start: 48px;
overflow: auto;
}
-moz-appearance: none;
border: none;
margin: 15px 0 0;
- -moz-padding-start: 0;
- -moz-padding-end: 0;
+ padding-inline-start: 0;
+ padding-inline-end: 0;
font-size: 1.25rem;
}
-xul|groupbox xul|label {
+xul|groupbox xul|label:not(.menu-accel):not(.menu-text):not(.indent):not(.learnMore),
+xul|groupbox xul|description {
/ !important needed to override toolkit !important rule /
- -moz-margin-start: 0 !important;
- -moz-margin-end: 0 !important;
+ margin-inline-start: 0 !important;
+ margin-inline-end: 0 !important;
}
*/
/* tabpanels and tabs */
xul|tabs {
margin-bottom: 15px;
- border-top: 1px solid #c1c1c1;
- border-bottom: 1px solid #c1c1c1;
- background-color: #fbfbfb;
+ border-top: 1px solid var(--in-content-box-border-color);
+ border-bottom: 1px solid var(--in-content-box-border-color);
+ background-color: var(--in-content-page-background);
}
xul|*.tabs-left,
margin-top: 0;
padding: 4px 20px;
min-height: 44px;
- color: #424f5a;
- background-color: #fbfbfb;
+ color: var(--in-content-tab-color);
+ background-color: var(--in-content-page-background);
border-width: 0;
+ / !important overrides tabbox.css RTL and visuallyselected rules /
+ border-radius: 0 !important;
transition: background-color 50ms ease 0s;
}
xul|tab:hover {
- background-color: #ebebeb;
+ background-color: var(--in-content-box-background-hover);
}
-xul|tab[visuallyselected] {
- background-color: #ebebeb;
+xul|tab[selected] {
+ background-color: var(--in-content-box-background-hover);
padding-bottom: 0; / compensate the 4px border /
- border-bottom: 4px solid #ff9500;
+ border-bottom: 4px solid var(--in-content-border-highlight);
}
xul|*.tab-text {
html|button {
border-radius: 0px;
- border: 1px outset #CCD0DD;
- background-color: #CCD0DD;
- color: #000000;
- / * override forms.css * /
+ border: 1px outset var(--in-content-box-border-color);
+ background-color: var(--in-content-box-background);
+ color: var(--in-content-text-color);
+ /* override forms.css */
font: inherit;
}
/* xul buttons and menulists */
/*
*|button,
+html|select,
xul|colorpicker[type="button"],
xul|menulist {
-moz-appearance: none;
- height: 30px;
- color: #333;
- line-height: 20px;
- border: 1px solid #c1c1c1;
+ min-height: 30px;
+ color: var(--in-content-text-color);
+ border: 1px solid var(--in-content-box-border-color);
-moz-border-top-colors: none !important;
-moz-border-right-colors: none !important;
-moz-border-bottom-colors: none !important;
-moz-border-left-colors: none !important;
border-radius: 2px;
- background-color: #fbfbfb;
+ background-color: var(--in-content-page-background);
}
*/
html|button:enabled:hover,
+html|select:enabled:hover,
xul|button:not([disabled="true"]):hover,
xul|colorpicker[type="button"]:not([disabled="true"]):hover,
xul|menulist:not([disabled="true"]):hover {
}
html|button:enabled:hover:active,
+html|select:enabled:hover:active,
xul|button:not([disabled="true"]):hover:active,
xul|colorpicker[type="button"]:not([disabled="true"]):hover:active,
xul|menulist[open="true"]:not([disabled="true"]) {
- border: 1px inset #CCD0DD;
+ border: 1px inset var(--in-content-box-border-color);
}
html|button:disabled,
+html|select:disabled,
xul|button[disabled="true"],
xul|colorpicker[type="button"][disabled="true"],
xul|menulist[disabled="true"] {
- cursor: not-allowed;
- border: 1px outset #CCD0DD;
- color: #999999;
+ border: 1px outset var(--in-content-box-border-color);
+ color: var(--in-content-disabled-text);
}
/*
*|button.primary {
- background-color: #0095dd;
+ background-color: var(--in-content-primary-button-background);
border-color: transparent;
- color: #fff;
+ color: var(--in-content-selected-text);
}
html|button.primary:enabled:hover,
xul|button.primary:not([disabled="true"]):hover {
- background-color: #008acb;
+ background-color: var(--in-content-primary-button-background-hover);
}
html|button.primary:enabled:hover:active,
xul|button.primary:not([disabled="true"]):hover:active {
- background-color: #006b9d;
+ background-color: var(--in-content-primary-button-background-active);
}
xul|colorpicker[type="button"] {
}
xul|menulist > xul|*.menulist-label-box > xul|*.menulist-icon[src] {
- -moz-margin-end: 5px;
+ margin-inline-end: 5px;
}
xul|button[type="menu"] > xul|*.button-box > xul|*.button-menu-dropmarker {
-moz-appearance: none;
margin: 1px 0;
- -moz-margin-start: 10px;
+ margin-inline-start: 10px;
padding: 0;
width: 10px;
height: 16px;
}
xul|*.help-button {
- min-width: 30px;
- border-radius: 2px;
+ min-width: 16px;
+ margin-inline-end: 0;
border-width: 0;
- background-color: #ffcb00;
background-image: none;
box-shadow: none;
- list-style-image: url("chrome://global/skin/in-content/help-glyph.svg");
+ list-style-image: url("chrome://global/skin/in-content/help-glyph.svg#help");
}
xul|*.help-button:not([disabled="true"]):hover {
- background-color: #f4c200;
background-image: none;
+ / Override default button background /
+ background-color: transparent;
+ list-style-image: url("chrome://global/skin/in-content/help-glyph.svg#help-hover");
}
-
xul|*.help-button:not([disabled="true"]):hover:active {
- background-color: #eaba00;
background-image: none;
+ / Override default button background /
+ background-color: transparent;
+ list-style-image: url("chrome://global/skin/in-content/help-glyph.svg#help-pressed");
}
xul|*.close-icon > xul|*.button-box,
}
xul|*.help-button > xul|*.button-box > xul|*.button-icon {
- width: 18px;
- height: 18px;
+ width: 16px;
+ height: 16px;
}
xul|*.help-button > xul|*.button-box > xul|*.button-text {
display: none;
}
+*/
+html|*.help-button {
+ width: 16px;
+ height: 16px;
+ border: 0;
+ padding: 0;
+ display: inline-block;
+ background-image: url("chrome://global/skin/in-content/help-glyph.svg#help");
+ background-repeat: no-repeat;
+ background-position: center center;
+ background-size: contain;
+}
+html|*.help-button:hover {
+ background-image: url("chrome://global/skin/in-content/help-glyph.svg#help-hover");
+}
+
+html|*.help-button:hover:active {
+ background-image: url("chrome://global/skin/in-content/help-glyph.svg#help-pressed");
+}
+/*
xul|*.spinbuttons-button {
- -moz-margin-start: 10px !important;
- -moz-margin-end: 2px !important;
+ min-height: initial;
+ margin-inline-start: 10px !important;
+ margin-inline-end: 2px !important;
}
xul|*.spinbuttons-up {
xul|menulist:not([editable="true"]) > xul|*.menulist-dropmarker {
-moz-appearance: none;
- -moz-margin-end: 4px;
+ margin-inline-end: 4px;
padding: 0;
border: none;
background-color: transparent;
xul|menulist > xul|menupopup,
xul|button[type="menu"] > xul|menupopup {
-moz-appearance: none;
- border: 1px solid #c1c1c1;
+ border: 1px solid var(--in-content-box-border-color);
border-radius: 2px;
- background-color: #fff;
+ background-color: var(--in-content-box-background);
}
xul|menulist > xul|menupopup xul|menu,
xul|button[type="menu"] > xul|menupopup xul|menuitem {
-moz-appearance: none;
font-size: 1rem;
- color: #333;
+ color: var(--in-content-text-color);
padding-top: 0.2em;
padding-bottom: 0.2em;
- -moz-padding-start: 10px;
- -moz-padding-end: 30px;
+ padding-inline-start: 10px;
+ padding-inline-end: 30px;
}
-xul|menulist > xul|menupopup > xul|menu[_moz-menuactive="true"],
-xul|menulist > xul|menupopup > xul|menuitem[_moz-menuactive="true"],
-xul|button[type="menu"] > xul|menupopup > xul|menu[_moz-menuactive="true"],
-xul|button[type="menu"] > xul|menupopup > xul|menuitem[_moz-menuactive="true"] {
- color: #333;
- background-color: rgba(0,149,221,0.25);
+xul|menulist > xul|menupopup > xul|menu:not([disabled="true"])[_moz-menuactive="true"],
+xul|menulist > xul|menupopup > xul|menuitem:not([disabled="true"])[_moz-menuactive="true"],
+xul|button[type="menu"] > xul|menupopup > xul|menu:not([disabled="true"])[_moz-menuactive="true"],
+xul|button[type="menu"] > xul|menupopup > xul|menuitem:not([disabled="true"])[_moz-menuactive="true"] {
+ color: var(--in-content-text-color);
+ background-color: var(--in-content-item-hover);
}
-xul|menulist > xul|menupopup > xul|menu[selected="true"],
-xul|menulist > xul|menupopup > xul|menuitem[selected="true"],
-xul|button[type="menu"] > xul|menupopup > xul|menu[selected="true"],
-xul|button[type="menu"] > xul|menupopup > xul|menuitem[selected="true"] {
- color: #fff;
- background-color: #0095DD;
+xul|menulist > xul|menupopup > xul|menu:not([disabled="true"])[selected="true"],
+xul|menulist > xul|menupopup > xul|menuitem:not([disabled="true"])[selected="true"],
+xul|button[type="menu"] > xul|menupopup > xul|menu:not([disabled="true"])[selected="true"],
+xul|button[type="menu"] > xul|menupopup > xul|menuitem:not([disabled="true"])[selected="true"] {
+ color: var(--in-content-selected-text);
+ background-color: var(--in-content-item-selected);
+}
+
+xul|menulist > xul|menupopup > xul|menu[disabled="true"],
+xul|menulist > xul|menupopup > xul|menuitem[disabled="true"],
+xul|button[type="menu"] > xul|menupopup > xul|menu[disabled="true"],
+xul|button[type="menu"] > xul|menupopup > xul|menuitem[disabled="true"] {
+ color: var(--in-content-box-border-color);
+ / override the [_moz-menuactive="true"] background color from
+ global/menu.css /
+ background-color: transparent;
}
xul|menulist > xul|menupopup xul|menuseparator,
-moz-appearance: none;
margin: 0;
padding: 0;
- border-top: 1px solid #c1c1c1;
+ border-top: 1px solid var(--in-content-box-border-color);
border-bottom: none;
}
*/
/* textboxes */
/*
-*|textbox {
+html|input[type="text"],
+html|textarea,
+xul|textbox {
-moz-appearance: none;
- height: 30px;
- color: #333;
- line-height: 20px;
- padding-right: 10px;
- padding-left: 10px;
- border: 1px solid #c1c1c1;
+ color: var(--in-content-text-color);
+ border: 1px solid var(--in-content-box-border-color);
-moz-border-top-colors: none !important;
-moz-border-right-colors: none !important;
-moz-border-bottom-colors: none !important;
-moz-border-left-colors: none !important;
border-radius: 2px;
- background-color: #fff;
+ background-color: var(--in-content-box-background);
}
-html|textbox:focus,
+xul|textbox {
+ min-height: 30px;
+ padding-right: 10px;
+ padding-left: 10px;
+}
+
+/ Create a separate rule to unset these styles on .tree-input instead of
+ using :not(.tree-input) so the selector specifity doesn't change. /
+xul|textbox.tree-input {
+ min-height: unset;
+ padding-right: unset;
+ padding-left: unset;
+}
+
+html|input[type="text"],
+html|textarea {
+ font-family: inherit;
+ font-size: inherit;
+ padding: 5px 10px;
+}
+
+html|input[type="text"]:focus,
+html|textarea:focus,
xul|textbox[focused] {
- border-color: #0095dd;
+ border-color: var(--in-content-border-focus);
}
-html|textbox:disabled,
+html|input[type="text"]:disabled,
+html|textarea:disabled,
xul|textbox[disabled="true"] {
opacity: 0.5;
}
/* Links */
/*
html|a,
-.text-link,
-.inline-link {
- line-height: 22px;
- color: #0095dd;
+.text-link {
+ color: var(--in-content-link-color);
text-decoration: none;
}
html|a:hover,
-.text-link:hover,
-.inline-link:hover {
- color: #4cb1ff;
+.text-link:hover {
+ color: var(--in-content-link-color-hover);
text-decoration: none;
}
+html|a:visited {
+ color: var(--in-content-link-color-visited);
+}
+
html|a:hover:active,
-.text-link:hover:active,
-.inline-link:hover:active {
- color: #ff9500;
+.text-link:hover:active {
+ color: var(--in-content-link-color-active);
text-decoration: none;
}
*/
/ Hide the actual checkbox /
html|input[type="checkbox"] {
opacity: 0;
+ width: 0;
+ pointer-events: none;
position: absolute;
}
}
xul|checkbox {
- -moz-margin-start: 0;
+ margin-inline-start: 0;
}
xul|*.checkbox-check,
width: 23px;
height: 23px;
border-radius: 2px;
- border: 1px solid #c1c1c1;
- -moz-margin-end: 10px;
+ border: 1px solid var(--in-content-box-border-color);
+ margin-inline-end: 10px;
background-color: #f1f1f1;
/ !important needed to override toolkit checked !important rule /
background-image: linear-gradient(#fff, rgba(255,255,255,0.8)) !important;
xul|checkbox:not([disabled="true"]):hover > xul|*.checkbox-check,
html|input[type="checkbox"]:not(:disabled) + html|label:hover:before {
- border-color: #0095dd;
+ border-color: var(--in-content-border-focus);
}
xul|*.checkbox-check[checked] {
}
xul|*.checkbox-label-box {
- -moz-margin-start: -1px; / * negative margin for the transparent border * /
- -moz-padding-start: 0;
+ margin-inline-start: -1px; / * negative margin for the transparent border * /
+ padding-inline-start: 0;
}
xul|richlistitem > xul|*.checkbox-check {
margin: 3px 6px;
}
-
+*/
+html|*.toggle-container-with-text {
+ display: flex;
+ align-items: center;
+}
+/*
xul|radio {
- -moz-margin-start: 0;
+ margin-inline-start: 0;
}
xul|*.radio-check {
-moz-appearance: none;
width: 23px;
height: 23px;
- border: 1px solid #c1c1c1;
+ border: 1px solid var(--in-content-box-border-color);
border-radius: 50%;
- -moz-margin-end: 10px;
+ margin-inline-end: 10px;
background-color: #f1f1f1;
background-image: linear-gradient(#fff, rgba(255,255,255,0.80));
box-shadow: 0 1px 1px 0 #fff, inset 0 2px 0 0 rgba(0,0,0,0.03);
}
xul|radio:not([disabled="true"]):hover > xul|*.radio-check {
- border-color: #0095dd;
+ border-color: var(--in-content-border-focus);
}
xul|*.radio-check[selected] {
}
xul|*.radio-label-box {
- -moz-margin-start: -1px; / * negative margin for the transparent border * /
- -moz-margin-end: 10px;
- -moz-padding-start: 0;
+ margin-inline-start: -1px; / * negative margin for the transparent border * /
+ margin-inline-end: 10px;
+ padding-inline-start: 0;
}
*/
/* Category List */
-/*
-xul|*#categories {
+
+*|*#categories {
-moz-appearance: none;
- background-color: #424f5a;
+ background-color: var(--in-content-category-background);
padding-top: 39px;
margin: 0;
border-width: 0;
}
-xul|*.category {
+*|*.category {
-moz-appearance: none;
- color: #c1c1c1;
- -moz-border-end-width: 0;
- -moz-padding-start: 15px;
- -moz-padding-end: 21px;
+ color: var(--in-content-category-text);
+ border-inline-end-width: 0;
+ padding-inline-start: 15px;
+ padding-inline-end: 21px;
min-height: 40px;
transition: background-color 150ms;
}
-xul|*.category:hover {
- background-color: #5e6972;
+*|*.category:hover {
+ background-color: var(--in-content-category-background-hover);
}
-xul|*.category[selected] {
- background-color: #343f48;
- color: #f2f2f2;
- -moz-padding-start: 11px; / compensate the 4px border /
- -moz-border-start: solid 4px #ff9500;
+*|*.category[selected],
+*|*.category.selected {
+ background-color: var(--in-content-category-background-active);
+ color: var(--in-content-category-text-selected);
+ padding-inline-start: 11px; /* compensate the 4px border */
+ border-inline-start: solid 4px var(--in-content-border-highlight);
}
-xul|*#categories[keyboard-navigation="true"]:-moz-focusring > xul|*.category[current] {
- border-top: 1px #ffffff dotted;
- border-bottom: 1px #ffffff dotted;
+*|*#categories[keyboard-navigation="true"]:-moz-focusring > xul|*.category[current] {
+ border-top: var(--in-content-category-border-focus);
+ border-bottom: var(--in-content-category-border-focus);
}
*|*.category-name {
line-height: 22px;
font-size: 1.25rem;
padding-bottom: 2px;
- -moz-padding-start: 9px;
+ padding-inline-start: 9px;
margin: 0;
-moz-user-select: none;
}
width: 24px;
height: 24px;
}
-*/
+
/* header */
/*
*|*.header {
- -moz-margin-end: 4px; / add the 4px end-margin of other elements /
- border-bottom: 1px solid #c8c8c8;
+ margin-inline-end: 4px; / add the 4px end-margin of other elements /
+ border-bottom: 1px solid var(--in-content-header-border-color);
margin-bottom: 15px;
padding-bottom: 15px;
+ -moz-box-align: baseline;
}
*|*.header-name {
}
xul|*.fileFieldIcon {
- -moz-margin-start: 10px;
- -moz-margin-end: 0;
+ margin-inline-start: 10px;
+ margin-inline-end: 0;
}
xul|*.fileFieldLabel {
- -moz-margin-start: -26px;
- -moz-padding-start: 36px;
+ margin-inline-start: -26px;
+ padding-inline-start: 36px;
}
xul|textbox:-moz-locale-dir(rtl),
xul|textbox + xul|button,
xul|filefield + xul|button {
- -moz-border-start: none;
+ border-inline-start: none;
}
*/
/* List boxes */
xul|richlistbox,
xul|listbox {
-moz-appearance: none;
- -moz-margin-start: 0;
- background-color: #fff;
- border: 1px solid #c1c1c1;
- color: #333;
+ margin-inline-start: 0;
+ background-color: var(--in-content-box-background);
+ border: 1px solid var(--in-content-box-border-color);
+ color: var(--in-content-text-color);
}
xul|treechildren::-moz-tree-row,
xul|treechildren::-moz-tree-row(hover),
xul|listbox xul|listitem:hover {
- background-color: rgba(0,149,221,0.25);
+ background-color: var(--in-content-item-hover);
}
xul|treechildren::-moz-tree-row(selected),
xul|listbox xul|listitem[selected="true"] {
- background-color: #0095dd;
- color: #fff;
+ background-color: var(--in-content-item-selected);
+ color: var(--in-content-selected-text);
}
*/
/* Trees */
xul|tree {
-moz-appearance: none;
font-size: 1em;
- border: 1px solid #c1c1c1;
+ border: 1px solid var(--in-content-box-border-color);
+ background-color: var(--in-content-box-background);
+ margin: 0;
}
xul|tree:-moz-focusring,
xul|richlistbox:-moz-focusring {
- border: 1px dotted #0095dd;
+ border: 1px dotted var(--in-content-border-focus);
}
xul|listheader,
xul|treecols {
-moz-appearance: none;
border: none;
- border-bottom: 1px solid #c1c1c1;
+ border-bottom: 1px solid var(--in-content-box-border-color);
padding: 0;
}
+.autocomplete-tree > xul|treecols {
+ border-bottom: none !important;
+}
+
xul|treecol:not([hideheader="true"]),
xul|treecolpicker {
-moz-appearance: none;
border: none;
- background-color: #ebebeb;
+ background-color: var(--in-content-box-background-hover);
color: #808080;
padding: 5px 10px;
}
xul|treecol:not([hideheader="true"]):not([sortable="false"]):hover,
xul|treecolpicker:hover {
- background-color: #dadada;
- color: #333;
+ background-color: var(--in-content-box-background-active);
+ color: var(--in-content-text-color);
}
xul|treecol:not([hideheader="true"]):not(:first-child),
xul|treecolpicker {
- -moz-border-start-width: 1px;
- -moz-border-start-style: solid;
+ border-inline-start-width: 1px;
+ border-inline-start-style: solid;
border-image: linear-gradient(transparent 0%, transparent 20%, #c1c1c1 20%, #c1c1c1 80%, transparent 80%, transparent 100%) 1 1;
}
/ Color needs to be set on tree cell in order to be applied /
xul|treechildren::-moz-tree-cell-text {
- color: #333;
+ color: var(--in-content-text-color);
}
xul|treechildren::-moz-tree-cell-text(selected) {
- color: #fff;
+ color: var(--in-content-selected-text);
}
*/
/* === END common.inc.css === */
}
xul|checkbox {
- -moz-padding-start: 0;
+ padding-inline-start: 0;
}
xul|radio {
-moz-binding: url("chrome://global/content/bindings/radio.xml#radio");
- -moz-padding-start: 0;
+ padding-inline-start: 0;
}
xul|*.radio-icon,
xul|*.checkbox-icon {
- -moz-margin-end: 0;
+ margin-inline-end: 0;
}
-html|a:-moz-focusring,
-.text-link:-moz-focusring,
-.inline-link:-moz-focusring {
+.text-link:-moz-focusring {
border: 1px dotted -moz-DialogText;
}
-*/
\ No newline at end of file
+*/
projects / themes.git / blobdiff