.four04 {
  min-height: 100vh;
  background-image: linear-gradient(#3b3646, transparent 30%),
    repeating-linear-gradient(-70deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.1) 1.2px, transparent 0, transparent 13px),
    repeating-linear-gradient(20deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02) 1.3px, transparent 0, transparent 13px),
    radial-gradient(at bottom, #7f4d5d, #1f2d3d);
  background-size: auto, 28px 38px, 38px 28px, auto;
  background-position: left top, 0 0, 0 0, left top;
  color: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: b linear 1.5s infinite;
}

.four04 .card {
  margin: 0 1em 2em;
  background: rgba(9, 0, 0, 0.35) linear-gradient(0deg, rgba(255, 255, 255, 0.16), transparent 15%);
  border: 1px solid rgba(0, 0, 0, 0.6);
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.2) inset, 0 15px 20px rgba(0, 0, 0, 0.3);
  border-radius: 2em;
  padding: 1.4em 2em;
  -webkit-backdrop-filter: blur(2px);
  backdrop-filter: blur(2px);
  position: relative;
  text-shadow: 0 -1px 1px #000;
  animation: a 1s;
}
.four04 .card:before {
  content: '';
  position: absolute;
  display: block;
  top: 0;
  left: 1em;
  right: 1em;
  height: 2em;
  border-radius: 9em;
  background: linear-gradient(rgba(255, 255, 255, 0.45), rgba(255, 255, 255, 0.1));
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.4) inset;
}
.four04 .a {
  font-size: 1.4em;
}
.four04 .b {
  margin-top: 1.5em;
  opacity: 0.6;
}
.four04 p {
  font-size: 75%;
  margin: 0.6em 0 0;
  opacity: 0.5;
}
@keyframes a {
  0% {
    transform: scale(1.2);
    opacity: 0;
  }
  50% {
    transform: scale(1.2);
    opacity: 0;
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}
@keyframes b {
  0% {
    background-position: left top, 0 0, 0 0, left top;
  }
  100% {
    background-position: left top, 0 78px, 114px 0, left top;
  }
}