css code help please

[England]

how can i code this right to centre the image and to stop the image been repeated

.altbg {
background: #000000 url(http://www.moddedwarfare2.com/forum/-images-/SniperRifle.png) repeat-x top left;
height: 70px;
width: 100%;
vertical-align: text-bottom;
border: 1px solid #434647;
}

thankyou in advance

[Lynne]

This should help - CSS Background (http://www.w3schools.com/css/css_background.asp)

[DeanLag]

.altbg {
background: #000000 url(http://www.moddedwarfare2.com/forum/-images-/SniperRifle.png) no-repeat;
height: 70px;
width: 100%;
text-align: center
vertical-align: text-bottom;
border: 1px solid #434647;
}

Not sure, try it and lemme know

[firstimecaller]

.altbg {
background: #000000 url(http://www.moddedwarfare2.com/forum/-images-/SniperRifle.png) ;
background-repeat:no-repeat;
background-position:top center;
height: 70px;
width: 100%;
vertical-align: text-bottom;
border: 1px solid #434647;
}

[England]

ty lynne and the rest much appreciated working fine now.

and thankyou every 1 else !