http://css3pie.com/demos/gradient-patterns/
background-color: silver;
background-size: 58px 58px;
background-position: 0px 2px, 4px 35px, 29px 31px, 34px 6px;
background-image: -webkit-linear-gradient(115deg, #b00 23px, transparent 23px),
-webkit-linear-gradient(295deg, #d00 23px, transparent 23px),
-webkit-linear-gradient(115deg, #b00 23px, transparent 23px),
-webkit-linear-gradient(295deg, #d00 23px, transparent 23px);
background-image: -moz-linear-gradient(115deg, #b00 23px, transparent 23px),
-moz-linear-gradient(295deg, #d00 23px, transparent 23px),
-moz-linear-gradient(115deg, #b00 23px, transparent 23px),
-moz-linear-gradient(295deg, #d00 23px, transparent 23px);
background-image: linear-gradient(335deg, #b00 23px, transparent 23px) 0 2px,
linear-gradient(155deg, #d00 23px, transparent 23px) 4px 35px,
linear-gradient(335deg, #b00 23px, transparent 23px) 29px 31px,
linear-gradient(155deg, #d00 23px, transparent 23px) 34px 6px;
-pie-background: linear-gradient(335deg, #b00 23px, transparent 23px) 0 2px / 58px,
linear-gradient(155deg, #d00 23px, transparent 23px) 4px 35px / 58px,
linear-gradient(335deg, #b00 23px, transparent 23px) 29px 31px / 58px,
linear-gradient(155deg, #d00 23px, transparent 23px) 34px 6px / 58px,
silver;
behavior: url(/pie/PIE.htc);