Edit in JSFiddle

body {
background-color: #c0c0c0;
background-image: linear-gradient(335deg, #864735 23px, transparent 23px),
linear-gradient(155deg, #864735 23px, transparent 23px),
linear-gradient(335deg, #864735 23px, transparent 23px),
linear-gradient(155deg, #864735 23px, transparent 23px);
background-size: 58px 58px;	
background-position: 0px 2px, 4px 35px, 29px 31px, 34px 6px;
}