CSS - vendor prefixes for background-image

vendor prefixes for background-image

HTML

<div id="timerContainer">
        <div id="timerSurface" >
            <div id="timerHeaders" >
                <div class="HeaderText NormalWidth">MIN</div>
                <div class="HeaderText NormalWidth">SEC</div>
                <div class="HeaderText WideWidth">MS</div>
            </div>
            <div id="timerNumbers">
                <div id="minutes" class="bg TimerText NormalWidth">0</div>
                <div id="seconds" class="bg TimerText NormalWidth">0</div>
                <div id="milliseconds" class="bg TimerText WideWidth">0</div>
            </div>
        </div>
    </div>

CSS

#timerContainer
{
    width: 290px;
    height:156px;
}

#timerSurface
{
    width: 290px;
    height:108px;
    background-color: #383431;
}
#timerHeaders 
{
    height:20px;
}
#timerNumbers 
{
    text-align: center;
    font-family:  Impact, sans-serif;
    font-size: 54px;
    color: #D0D0D0;
}

.HeaderText 
{
    float:left;
    height: 20px;
    padding: 5px 6px 5px 6px;
    text-align: center;
    font-family:  sans-serif;
    font-size: 14px;
    font-weight: bold;
    color: #D0D0D0;
    margin-left: 5px;
}
.TimerText
{
    float:left;
    height: 60px;
    padding: 5px 5px 5px 5px;
    border-right: 2px solid #000000;
    border-bottom: 2px solid #000000;
    background-color: #242323;
    margin-left: 5px;
    vertical-align: middle;
}

.NormalWidth
{
    width:68px;
}
    
.WideWidth
{
    width:100px;
}


.bg
{
    /* fallback color */
    background-color: #000000;

    /* fallback image */
    background: url(http://johnpapa.net/files/downloads/images/bg.png); 
    
    background: -webkit-gradient(
        linear,
        left bottom,
        left top,
        color-stop(0, rgb(0, 0, 0)),
        color-stop(0.46, rgb(11, 111, 211)),
        color-stop(0.46, rgb(0, 0, 0)),
        color-stop(0.50, rgb(0, 0, 0)),
        color-stop(0.50, rgb(11, 111, 211)),
        color-stop(1, rgb(0, 0, 0))
        );
    background: -moz-linear-gradient(
        center bottom,
        rgb(0, 0, 0) 0%,
        rgb(211, 111, 111) 46%,
        rgb(0, 0, 0) 46%,
        rgb(0, 0, 0) 50%,
        rgb(211, 111, 111) 50%,
        rgb(0, 0, 0) 100%
        );
}