请问下面的代码放进userChrome.css有效吗？不然放哪里请问！

@-moz-document url-prefix(http://),

url-prefix(https://) {
/* THIS WHOLE CODE SECTION AUTOHIDES ONLY THE VERTICAL SCROLLBARS OF WEBPAGES */
scrollbar *
scrollbar scrollbarbutton { display: none ! important; }
scrollbar scrollbarbutton { visibility: collapse !important }


scrollbar[orient="vertical"]{
background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAACCAYAAABsfz2XAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAAhSURBVHjaYvj//z8DMvb39/+PLoaMmRhIBAAAAAD//wMAB6Qizv4lfkgAAAAASUVORK5CYII=") ! important;

-moz-appearance: none !important;
background-color: transparent !important;
opacity: .75 !important;
min-width: 9px !important;
max-width: 9px !important;
margin-top: 150px !important;
margin-bottom: 150px !important;
}

/*CAN CHANGE SCROLLBAR WIDTH FROM Default 17px (MUST CHANGE BOTH min-width and max-width to exact same px */
/*Default vertical scrollbar width is 17px */
scrollbar[orient="vertical"]:hover
{
opacity: 1 !important;
-moz-appearance: none !important;
background-color: transparent !important;
min-width: 9px !important;
max-width: 9px !important;
}
/************************************************************************/



/* button you drag down the strip */

scrollbar thumb[orient="vertical"]
{
background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAAnSURBVHjaYmQofPWfgQjwv0+UkYGBgYGJgUQwqmGkaAAAAAD//wMA+/4EFULQY9sAAAAASUVORK5CYII=") ! important;


-moz-appearance: none !important;
-moz-border-radius: 4px !important;
min-width: 8px !important;
max-width: 8px !important;
border: 1px !important;
}

/* HOVER:button you drag down the strip */

scrollbar thumb[orient="vertical"]:hover

{background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAAnSURBVHjaYmQofPWfgQjwv0+UkYGBgYGJgUQwqmGkaAAAAAD//wMA+/4EFULQY9sAAAAASUVORK5CYII=") ! important;

-moz-border-radius: 4px !important;
border: 0px !important;
}

/***************************************************************************/



/*////////////////////////////////////////////////////////////////////////////*/


/* THIS WHOLE CODE SECTION AUTOHIDES ONLY THE HORIZONTAL SCROLLBARS OF WEBPAGES */
/*can increase min-height 5px and max-height 5px to have more grab space for horizontal scrollbar (min-height and max-height must be exact same px)*/

scrollbar[orient="horizontal"]{
background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAIAAAAMCAYAAABIvGxUAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAAmSURBVHjaYvz//z8DAwMDAxMDFGAyGP39/f8zMDAwMBKhGA8DMAB8qAf8L6w8LwAAAABJRU5ErkJggg==") ! important;

-moz-appearance: none !important;
background-color: transparent !important;
opacity: .75 !important;
min-height: 9px !important;
max-height: 9px !important;
margin-left: 450px !important;
margin-right: 450px !important;
}


/*CAN MAKE HORIZONTAL SCROLLBARS LESS HEIGHT when hovered BELOW:MUST HAVE min-height and max-height exact same px */
/* Default horizontal height is 17px */
scrollbar[orient="horizontal"]:hover
{
opacity: 1 !important;
-moz-appearance: none !important;
background-color: transparent !important;
min-height: 9px !important;
max-height: 9px !important;
margin-left: 450px !important;
margin-right: 450px !important;
}


/*////////////////////// bar /////////////////////////////////////////*/

/* button you drag down the strip */

scrollbar thumb[orient="horizontal"]
{
background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAAmSURBVHjaYmQofPWfgQTAxEAiGNUwODQw/v//n7Y2AAAAAP//AwCb0AVuQc6u0wAAAABJRU5ErkJggg==") ! important;


-moz-appearance: none !important;
-moz-border-radius: 4px !important;
min-height: 8px !important;
max-height: 8px !important;
border: 1px !important;
margin-left: 0px !important;
}

/* HOVER:button you drag down the strip */

scrollbar thumb[orient="horizontal"]:hover

{background: transparent url("data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAwAAAAMCAYAAABWdVznAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAIGNIUk0AAHolAACAgwAA+f8AAIDpAAB1MAAA6mAAADqYAAAXb5JfxUYAAAAmSURBVHjaYmQofPWfgQTAxEAiGNUwODQw/v//n7Y2AAAAAP//AwCb0AVuQc6u0wAAAABJRU5ErkJggg==") ! important;

-moz-border-radius: 4px !important;
border: 0px !important;
}


/*///////////////////////////////////////////////////////////////////*/


/* REMOVES THE SCROLLBAR CORNERS THAT CAN BE SEEN ON DARK COLORED WEBPAGES */

scrollcorner{opacity: 0 !important;}

scrollbar scrollcorner:hover {background:transparent !important;}

}

是滚动条式样的更改，我是用stylsh更改的，如果不用stylsh的话，请问放进哪里？

如果没记错的,放哪都没用,必须用stylish
userChrome.css
userContent.css
都无效.可能需要修改....
等大神~

是滚动条式样吗？放进userChrome.css无效，可能stylish有特殊支持