<!DOCTYPE html>
<html>
<head>
<style>
#content {
background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAIAAACQd1PeAAAAGXRFWHRTb2Z0d2FyZQBBZG9iZSBJbWFnZVJlYWR5ccllPAAAABhJREFUeF4FwTEBAAAAgjD7FzESWfjYdgwEoAJ4lTsaxgAAAABJRU5ErkJggg==);
background-repeat: repeat-y;
background-color: green;
height: 90px;
}
</style>
</head>
<body>
<div id="content"></div>
</body></html>