QTextEdit {
    background-color: black;
    color: white;            /* sets the main text color */
}

> texworks -stylesheet /pathto/mystyle.css

"C:Program FilesMiKTeX 2.9miktexbinx64miktex-texworks.exe"

"C:Program FilesMiKTeX 2.9miktexbinx64miktex-texworks.exe" -stylesheet C:Usersmyusernameblack-background.css

"C:Program FilesMiKTeX 2.9miktexbinx64miktex-texworks.exe" -stylesheet "C:Usersmyusernameblack-background.css"

QWidget { /* everything, basically */
    background-color: #3A3A3A;
    color: white;
}

QPushButton { /* buttons */
    background-color: #646464;
    border-style: inset;
    border-width: 1.5pt;
    border-color: white;
    padding: 4px;
}

QPushButton:pressed { /* after you press the button */
    background-color: #818181;
}

QTableView {
   background-color: #424242;
   alternate-background-color: #424242;
   selection-background-color: #818181;
   font-color:#FFFFFF;
}

/* QComboBox refers to drop-down menus (such as when selecting pdfTeX, pdfLaTeX, XeTeX, etc.) */

QComboBox {
    border: 1px solid gray;
    padding: 1px 18px 1px 3px;
    border-radius: 4px;
}

QComboBox::drop-down {
    subcontrol-origin: padding;
    subcontrol-position: top right;
    width: 15px;
    border-left-width: 1px;
    border-left-color: #EEEEEE;
    border-left-style: solid; /* just a single line */
}

QComboBox::down-arrow:on {
    top: 5px;
    left: 5px;
}

/* QMenuBar refers to the menu at the top (File, Edit, etc.)
   QMenu::item refers to the items under the menu
 */

QMenu::item:selected { /* when user selects item using mouse or keyboard */
    background-color: #909090;
}

QMenuBar::item:pressed,  QMenuBar::item:selected {
    background: #909090;
}

QTextEdit { /* text editor */
    background-color: black;
    color: white;
}

QScrollBar:vertical { /* vertical scroll bar */
    background: #424242;
    width: 10px;
    margin: 10px 0 10px 0;
}
QScrollBar::handle:vertical { /* the part of the scroll bar that gets dragged*/
    background: #AAAAAA;
    min-height: 20px;
}
QScrollBar::add-page:vertical, QScrollBar::sub-page:vertical {
    /* this seems useless, but it is actually quite important-
       it makes the scroll bar's background a uniform color instead
       of tiny dots, if it were removed. */
    background: none;
}

QScrollBar:horizontal { /* same thing, but horizontal */
    background: #424242;
    height: 10px;
    margin: 0 10px 0 10px;
}
QScrollBar::handle:horizontal { /* etc. */
    background: #AAAAAA;
    min-width: 20px;
}
QScrollBar::add-page:horizontal, QScrollBar::sub-page:horizontal {
    background: none;
}

QTabBar::tab { /* tabs that lead to different displays (such as those under "Preferences") */
    background: #3A3A3A;
    border: #909090;
    padding: 2px 4px 6px 8px;
    /* now I can't remember how this padding works, but removing it leads to ugly tab designs*/
}

QTabBar::tab:hover {
    background: #818181;
}

QTabBar::tab:selected {
    background: #909090;
}