Css after

.parent-div {
   position: relative;
   width: 100px;
   height: 100px;
   background: #ffffff;
   border: 1px solid #000000;
}
.div:after {
  content: "";
  width: 20px;
  height: 20px;
  background: blue;
  position: absolute;
  top: 45%;
  left: 45%;
}

Scss ::after

p {
    margin: 2em auto;

    > a {
        color: red;
    }

    &:before {
        content: "";
    }

    &:after {
        content: "* * *";
    }
}

Source: stackoverflow.com

After element is blocking

.select:after {
    position:absolute;
    bottom:.15em;
    top:.15em;
    right:.5rem;
    content:'\2193';
    pointer-events: none;
}

Source: stackoverflow.com

JavaScript after

var parent = document.createElement("div");
var child = document.createElement("p"); 
parent.appendChild(child);

child.after("Text"); 

console.log(parent.outerHTML);
// "<div><p></p>Text</div>"

-1

Source: developer.mozilla.org

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