background: linear-gradient(60deg, red 60%, red 60%) 50% 50% / 8em 8em,
linear-gradient(red, red) 80% 80% / 8em 8em;
background: url("data:image/svg+xml, --- --- --- ") center no-repeat;
background: url("data:image/svg+xml, --- --- --- ") center no-repeat,
url("data:image/svg+xml, --- --- --- ") center no-repeat,
url("data:image/svg+xml, --- --- --- ") center no-repeat;