JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
    <div class="dot1"></div>
       <div class="dot2"></div>
      <div class="dot3"></div>
       <div class="dot4"></div>
    <img src='http://placehold.it/400x300'>
</div>

CSS

.container {
    position:relative;
    margin:50px auto;
    width:400px;
}
.dot1 {
    background-color:white;
    width:50px;
    height:50px;
    border-radius:100%;
    position:absolute;
    left:-25px;
    top:-25px;
}
.dot2 {
    background-color:white;
    width:50px;
    height:50px;
    border-radius:100%;
    position:absolute;
    right:-25px;
    top:-25px;
}
.dot3 {
 background-color:white;
    width:50px;
    height:50px;
    border-radius:100%;
    position:absolute;
    right:-25px;
    bottom:-25px;
}

.dot4 {
 background-color:white;
    width:50px;
    height:50px;
    border-radius:100%;
    position:absolute;
    left:-25px;
    bottom:-25px;
}