added visual effect to speed limiter

Speed limiter now shows in Red when enabled on mobile devices
because its a sprite image, 1 image for both icons just to avoid any old
browser glitches

On Fri, Sep 26, 2014 at 8:37 AM, Frank Prößdorf <notifications@github.com>
wrote:

> In css/mobile.css:
>
> > @@ -250,8 +250,15 @@ footer {
> >  }
> >
> >  #mobile-footer .links li .speed_limit_mode {
> > -  background: transparent url(images/speed_mobile.png) no-repeat 0 0;
> > -  background-size: 100%;
> > +  background: transparent url('images/speed.png') no-repeat -34px -42px;
> > +  width: 32px;
> > +  height: 32px;
> > +}
> > +
> > +#mobile-footer .links li .speed_limit_mode.active {
> > +  background: transparent url('images/speed.png') no-repeat -34px -3px !important;
> > +  width: 32px !important;
>
> why is it necessary to redefine the width and height?
>
> —
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> <https://github.com/endor/kettu/pull/104/files#r18075493>.
>