JSFiddle - React, Tailwind, and code Playground
HTML
<div class="cible">
</div>
CSS
.cible {
display: block;
margin:auto;
width: 150px;
height: 150px;
border-radius: 50%;
background: #00FF00;
border: 12px solid black;
box-shadow:inset 0 0 0 13px #00FF00,
inset 0 0 0 26px black,
inset 0 0 0 39px #00FF00,
inset 0 0 0 52px black,
inset 0 0 0 65px #00FF00,
inset 0 0 0 78px black;
}
.cercle2 {
display:inline-block;
margin:auto;
width: 100px;
height: 100px;
border-radius: 50%;
background: #00FF00;
border: 12px solid black;
margin-top:0, auto;
margin-left: 0 auto;
text-align: center;
}
.cercle3 {
display:inline-block;
margin:auto;
width: 50px;
height: 50px;
border-radius: 50%;
background: #00FF00;
border: 12px solid black;
}
.centre {
display:inline-block;
margin:auto;
width: 25px;
height:25px;
border-radius: 50%;
background: black;
border: 2px solid black;
}