Back to CSS Card Hover Effects Scanline Pure CSS
Share
HTML
<div class="card-08">
  <div class="card-08__scanlines"></div>
  <span class="card-08__tag">SYSTEM</span>
  <h4 class="card-08__title">Scanline</h4>
  <p class="card-08__body">CRT scanlines sweep the surface on hover.</p>
</div>
CSS
/* Demo 08 overrides shared __tag/__title/__body so the green CRT palette
   reads correctly against the black card background. Inlined here so a
   user pasting just the demo gets the full effect with no shared prelude. */
.card-08__tag {
  font-family: monospace;
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 20px;
  background: rgba(30, 217, 138, 0.12);
  color: #1ed98a;
  border: 1px solid rgba(30, 217, 138, 0.3);
  display: inline-block;
  margin-bottom: 10px;
}
.card-08__title {
  font-size: 17px;
  font-weight: 700;
  color: #1ed98a;
  margin-bottom: 6px;
}
.card-08__body {
  font-size: 13px;
  color: rgba(30, 217, 138, 0.65);
  line-height: 1.6;
}
.card-08 {
  width: 100%;
  max-width: 280px;
  position: relative;
  overflow: hidden;
  padding: 22px;
  border-radius: 14px;
  background: #0a0a0a;
  border: 1px solid rgba(30, 217, 138, 0.2);
  cursor: pointer;
  font-family: monospace;
  color: #1ed98a;
  transition: box-shadow 0.3s;
}
.card-08:hover {
  box-shadow:
    0 0 24px rgba(30, 217, 138, 0.18),
    inset 0 0 24px rgba(30, 217, 138, 0.04);
}
.card-08__scanlines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    to bottom,
    transparent 0,
    transparent 3px,
    rgba(0, 0, 0, 0.22) 3px,
    rgba(0, 0, 0, 0.22) 4px
  );
  opacity: 0;
  transition: opacity 0.4s;
}
.card-08:hover .card-08__scanlines {
  opacity: 1;
  animation: card-08-scroll 4s linear infinite;
}
@keyframes card-08-scroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 40px; }
}