Linksys/styles.css

.internet-jail-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,0.88);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  animation: jailFadeIn 0.8s ease forwards;
  animation-delay: 0.3s;
}

/*dismissing the overlay*/
.internet-jail-dismiss:checked + .internet-jail-overlay {
  display: none;
}

.internet-jail-popup {
  position: relative;
  background: #111;
  color: #eee;
  max-width: 600px;
  padding: 2em;
  border-radius: 15px;
  box-shadow: 0 0 30px rgba(0, 0, 255, 1);
  font-family: sans-serif;
  text-align: center;
  transform: scale(0.9);
  animation: jailPop 0.5s ease forwards;
}

.internet-jail-popup h1 {
  margin: 0 0 0.2em;
  font-size: 1.8em;
  color: white;
}

.internet-jail-article {
  font-size: 0.95em;
  line-height: 1.5;
}

.internet-jail-article b {
  color: white;
}

/*the red X itself*/
.internet-jail-x {
  position: absolute;
  top: 0.6em;
  right: 0.7em;
  font-size: 1.2em;
  color: red;
  cursor: pointer;
  font-weight: bold;
}

.internet-jail-x:hover {
  color: #ff6666;
}

.internet-jail-close {
  display: inline-block;
  margin-top: 1.5em;
  font-size: 1em;
  color: red;
}

.internet-jail-close::after {
  content: "(this will not help much)";
  opacity: 0.6;
}

/*a hidden checkbox*/
.internet-jail-dismiss {
  display: none;
}

@keyframes jailFadeIn {
  to { opacity: 1; }
}

@keyframes jailPop {
  to { transform: scale(1); }
}