Molten Metal Seam

admin1234
Jan 30, 2026 5
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<div class="metal-frame">
  <button class="metal-btn">Get Started</button>
</div>
body{
  margin:0;
  height:100vh;
  display:flex;
  justify-content:center;
  align-items:center;
  background:#070707;
  font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;
}

/* solid metal frame */
.metal-frame{
  position:relative;
  padding:5px;
  border-radius:999px;
  background:#1b1b1b;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.08),
    0 25px 70px rgba(0,0,0,.7);
  overflow:hidden;
}

/* molten seams (cracks) */
.metal-frame::before{
  content:"";
  position:absolute;
  inset:0;
  border-radius:999px;
  background:
    repeating-linear-gradient(
      115deg,
      transparent 0 46%,
      rgba(255,120,0,.9) 47%,
      transparent 48% 100%
    ),
    repeating-linear-gradient(
      35deg,
      transparent 0 48%,
      rgba(255,80,0,.8) 49%,
      transparent 50% 100%
    );
  background-size:300% 300%;
  animation:seamFlow 5s linear infinite;
  mix-blend-mode:screen;
  opacity:.7;
}

/* inner button */
.metal-btn{
  position:relative;
  z-index:1;
  padding:22px 70px;
  border-radius:999px;
  border:none;
  background:linear-gradient(180deg,#141414,#0a0a0a);
  color:#f1f1f1;
  font-size:26px;
  font-weight:600;
  letter-spacing:.4px;
  cursor:pointer;
  box-shadow:
    inset 0 0 0 1px rgba(255,255,255,.1),
    inset 0 -10px 20px rgba(0,0,0,.9);
}

/* hover = heat intensifies */
.metal-frame:hover::before{
  opacity:1;
}

.metal-frame:hover{
  transform:scale(1.05);
  transition:.35s;
}

/* animation */
@keyframes seamFlow{
  from{background-position:0% 0%}
  to{background-position:300% 300%}
}
Categories

Molten Metal Seam

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