Check Background

background-color: rgb(180, 30, 30);
background-image:
  linear-gradient(
    top,
    rgba(  0,   0,   0, 0.2)  0px,
    rgba(  0,   0,   0, 0.2)  4px,
    rgba(255, 255, 255, 0.5)  4px,
    rgba(255, 255, 255, 0.5)  8px,
    transparent               8px,
    transparent              28px,
    rgba(255, 255, 255, 0.5) 28px,
    rgba(255, 255, 255, 0.5) 32px
  ),
  linear-gradient(
    left,
    rgba(  0,   0,   0, 0.2)  0px,
    rgba(  0,   0,   0, 0.2)  4px,
    rgba(255, 255, 255, 0.5)  4px,
    rgba(255, 255, 255, 0.5)  8px,
    transparent               8px,
    transparent              28px,
    rgba(255, 255, 255, 0.5) 28px,
    rgba(255, 255, 255, 0.5) 32px
  )
;
background-image:
  -moz-linear-gradient(
    top,
    rgba(  0,   0,   0, 0.2)  0px,
    rgba(  0,   0,   0, 0.2)  4px,
    rgba(255, 255, 255, 0.5)  4px,
    rgba(255, 255, 255, 0.5)  8px,
    transparent               8px,
    transparent              28px,
    rgba(255, 255, 255, 0.5) 28px,
    rgba(255, 255, 255, 0.5) 32px
  ),
  -moz-linear-gradient(
    left,
    rgba(  0,   0,   0, 0.2)  0px,
    rgba(  0,   0,   0, 0.2)  4px,
    rgba(255, 255, 255, 0.5)  4px,
    rgba(255, 255, 255, 0.5)  8px,
    transparent               8px,
    transparent              28px,
    rgba(255, 255, 255, 0.5) 28px,
    rgba(255, 255, 255, 0.5) 32px
  )
;
background-image:
  -webkit-gradient(
    linear,
    left top,
    left bottom,
    color-stop(    0, rgba(  0,   0,   0, 0.2)),
    color-stop(0.125, rgba(  0,   0,   0, 0.2)),
    color-stop(0.125, rgba(255, 255, 255, 0.5)),
    color-stop( 0.25, rgba(255, 255, 255, 0.5)),
    color-stop( 0.25, transparent),
    color-stop(0.875, transparent),
    color-stop(0.875, rgba(255, 255, 255, 0.5)),
    color-stop(    1, rgba(255, 255, 255, 0.5))
  ),
  -webkit-gradient(
    linear,
    left top,
    right top,
    color-stop(    0, rgba(  0,   0,   0, 0.2)),
    color-stop(0.125, rgba(  0,   0,   0, 0.2)),
    color-stop(0.125, rgba(255, 255, 255, 0.5)),
    color-stop( 0.25, rgba(255, 255, 255, 0.5)),
    color-stop( 0.25, transparent),
    color-stop(0.875, transparent),
    color-stop(0.875, rgba(255, 255, 255, 0.5)),
    color-stop(    1, rgba(255, 255, 255, 0.5))
  )
;
-moz-background-size: 32px 32px, 32px 32px;
-webkit-background-size: 32px 32px, 32px 32px;

Requirements: Firefox 3.6 Beta 3+, Safari 4+ or Chrome 4+.