JSFiddle - React, Tailwind, and code Playground

by Marcel Hochman

HTML

<div class="cible">
  <div class="cercle1"></div>
  <div class="cercle2"></div> 
  <div class="cercle3"></div> 
  <div class="centre"></div>
</div>

CSS

.cercle1 {
    display: block;
    margin:auto;
    width: 150px;
    height: 150px;
    border-radius: 50%;
   background: #00FF00;
    border: 12px solid 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;
}