Мишень

<!DOCTYPE html>
<head><link rel="stylesheet" href="style.css"></head>
<body>
<svg width="300" height="300" xmlns="http://www.w3.org/2000/svg" id="graph">
    <circle cx="150" cy="150" r="150" class="out"/>
    <circle cx="150" cy="150" r="140" class="in"/>
    <circle cx="150" cy="150" r="100" class="out"/>
    <circle cx="150" cy="150" r="90" class="in"/>
    <circle cx="150" cy="150" r="50" class="out"/>
    <circle cx="150" cy="150" r="40" class="in"/>
    <circle cx="150" cy="150" r="5" class="out"/>
</svg>
</body>


#graph {
     fill: white;
 }

#graph .out {
    fill: black;
}

#graph .in {
    fill: white;
}