SCSS
$color1: #3498db;
$color2: #2980b9;
body{
background:
linear-gradient(63deg, $color2 23%, transparent 23%) 7px 0,
linear-gradient(63deg, transparent 74%, $color2 78%),
linear-gradient(63deg, transparent 34%, $color2 38%, $color2 58%, transparent 62%),
$color1;
background-size: 16px 48px;
}