<!DOCTYPE html>
<style>
div {
width: 100px;
height: 100px;
}
</style>
<div style="background: url('resources/fragment-identifiers.svg#red')"></div>
<div style="background: url('resources/fragment-identifiers.svg#green')"></div>
<div style="background: url('resources/fragment-identifiers.svg#blue')"></div>