how to to apply some css specifically to the h2::after that also have a h2::before ?
.region-sidebar-second .block > h2::after, .region-content .block > h2:after {
content: "";
display: block;
width: 30px;
margin-bottom: 1.25rem;
margin-top: 0.75rem;
border: 0.5px solid #252525;
position: relative;
}
#block-block-51 h2::before{
padding-right: 5px;
content: "\f02d";
font-family: "Font Awesome 5 Pro",sans-serif;
font-weight: 900;
}
::after_selector_for_those_h2_that_have_a_::before{
left:2rem;
}