/* middle button */
.primary-toolbar .button.raised.linked,
.primary-toolbar .button.raised.linked:active,
.primary-toolbar .button.raised.linked:focus,
.primary-toolbar .button.raised.linked:focus:active,
.primary-toolbar .button.raised.linked:insensitive,
.primary-toolbar .raised.linked .button,
.primary-toolbar .raised.linked .button:active,
.primary-toolbar .raised.linked .button:focus,
.primary-toolbar .raised.linked .button:focus:active,
.primary-toolbar .raised.linked .button:insensitive,
.inline-toolbar.toolbar .button,
.inline-toolbar.toolbar .button:active,
.inline-toolbar.toolbar .button:focus,
.inline-toolbar.toolbar .button:focus:active,
.inline-toolbar.toolbar .button:insensitive,
.inline-toolbar.toolbar GtkToolButton .button,
.inline-toolbar.toolbar GtkToolButton .button:active,
.inline-toolbar.toolbar GtkToolButton .button:focus,
.inline-toolbar.toolbar GtkToolButton .button:focus:active,
.inline-toolbar.toolbar GtkToolButton .button:insensitive {
    border-right-width: 1px;
    border-left-width: 0;
    border-radius: 0;
    background-color: #ff0000;
    background-image:none;
}

/* leftmost button */
.primary-toolbar .button.raised.linked:first-child,
.primary-toolbar .button.raised.linked:active:first-child,
.primary-toolbar .button.raised.linked:focus:first-child,
.primary-toolbar .button.raised.linked:focus:active:first-child,
.primary-toolbar .button.raised.linked:insensitive:first-child,
.primary-toolbar .raised.linked .button:first-child,
.primary-toolbar .raised.linked .button:active:first-child,
.primary-toolbar .raised.linked .button:focus:first-child,
.primary-toolbar .raised.linked .button:focus:active:first-child,
.primary-toolbar .raised.linked .button:insensitive:first-child,
.inline-toolbar.toolbar .button:first-child,
.inline-toolbar.toolbar .button:active:first-child,
.inline-toolbar.toolbar .button:focus:first-child,
.inline-toolbar.toolbar .button:focus:active:first-child,
.inline-toolbar.toolbar .button:insensitive:first-child,
.inline-toolbar.toolbar GtkToolButton:first-child .button,
.inline-toolbar.toolbar GtkToolButton:first-child .button:active,
.inline-toolbar.toolbar GtkToolButton:first-child .button:focus,
.inline-toolbar.toolbar GtkToolButton:first-child .button:focus:active,
.inline-toolbar.toolbar GtkToolButton:first-child .button:insensitive {
    border-left-width: 1px;
    border-right-width: 1px;
    border-radius: 3px 0 0 3px;
    background-color: #0000FF;
    background-image:none;
}

/* rightmost button */
.primary-toolbar .button.raised.linked:last-child,
.primary-toolbar .button.raised.linked:active:last-child,
.primary-toolbar .button.raised.linked:focus:last-child,
.primary-toolbar .button.raised.linked:focus:active:last-child,
.primary-toolbar .button.raised.linked:insensitive:last-child,
.primary-toolbar .raised.linked .button:last-child,
.primary-toolbar .raised.linked .button:active:last-child,
.primary-toolbar .raised.linked .button:focus:last-child,
.primary-toolbar .raised.linked .button:focus:active:last-child,
.primary-toolbar .raised.linked .button:insensitive:last-child,
.inline-toolbar.toolbar .button:last-child,
.inline-toolbar.toolbar .button:active:last-child,
.inline-toolbar.toolbar .button:focus:last-child,
.inline-toolbar.toolbar .button:focus:active:last-child,
.inline-toolbar.toolbar .button:insensitive:last-child,
.inline-toolbar.toolbar GtkToolButton:last-child .button,
.inline-toolbar.toolbar GtkToolButton:last-child .button:active,
.inline-toolbar.toolbar GtkToolButton:last-child .button:focus,
.inline-toolbar.toolbar GtkToolButton:last-child .button:focus:active,
.inline-toolbar.toolbar GtkToolButton:last-child .button:insensitive {
    border-left-width: 0;
    border-right-width: 1px;
    border-radius: 0 3px 3px 0;
    background-color: #00FF00;
    background-image:none;
}

/* single button */
.primary-toolbar.toolbar .button:only-child,
.primary-toolbar.toolbar .button:active:only-child,
.primary-toolbar.toolbar .button:focus:only-child,
.primary-toolbar.toolbar .button:focus:active:only-child,
.primary-toolbar.toolbar .button:insensitive:only-child,
.primary-toolbar.toolbar GtkToolButton:only-child .button,
.primary-toolbar.toolbar GtkToolButton:only-child .button:active,
.primary-toolbar.toolbar GtkToolButton:only-child .button:focus,
.primary-toolbar.toolbar GtkToolButton:only-child .button:focus:active,
.primary-toolbar.toolbar GtkToolButton:only-child .button:insensitive,
.inline-toolbar.toolbar .button:only-child,
.inline-toolbar.toolbar .button:active:only-child,
.inline-toolbar.toolbar .button:focus:only-child,
.inline-toolbar.toolbar .button:focus:active:only-child,
.inline-toolbar.toolbar .button:insensitive:only-child,
.inline-toolbar.toolbar GtkToolButton:only-child .button,
.inline-toolbar.toolbar GtkToolButton:only-child .button:active,
.inline-toolbar.toolbar GtkToolButton:only-child .button:focus,
.inline-toolbar.toolbar GtkToolButton:only-child .button:focus:active,
.inline-toolbar.toolbar GtkToolButton:only-child .button:insensitive {
    border-right-width: 1px;
    border-left-width: 1px;
    border-radius: 3px;
    background-color: #ffF000;
    background-image:none;
}