:after pseudo css code example
Example 1: after element is blocking
.select:after {
position:absolute;
bottom:.15em;
top:.15em;
right:.5rem;
content:'\2193';
pointer-events: none;
}
Example 2: :before css
h2:before {
content: "Read: ";
<span class="Apple-converted-space"> color: #F00;</span>
}