Problem with background CSS - Joomla! Forum - community, help and support

i having problem background , css.

this css line background:

.background {position: absolute;width: 100%; background:#ffffff url(../images/main-bg.png) repeat-x 50% 0;}

i want make image show across entire screen. instead, it's showing image in 3 parts. shows right hand side, full image in center, left hand side.

how can image covers whole page , not in 3 parts? know how change width.

thank you.

check out blog: http://css-tricks.com/perfect-full-page ... und-image/