section { scroll-margin-top: 90px; }
.hidden { display: none; }
/* WordPress-ish underline link */
.u-link { position: relative; }
.u-link::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:-2px;
  height:1px;
  background: currentColor;
  opacity:.25;
  transform: scaleX(.3);
  transform-origin:left;
  transition: transform .25s ease, opacity .25s ease;
}
.u-link:hover::after{ transform: scaleX(1); opacity:.55; }
/* simple modal */
.modal-backdrop { background: rgba(2,6,23,.70); }
body.modal-open { overflow: hidden; }