body{
  background: linear-gradient(120deg, #1a1a2e, #16213e);
  }
  .logo{
  color:yellow;
  font-style:italic;
  margin:20px;
  padding:50px;
  text-align: center;
  background-color: aqua;
  border-radius: 200px;
}
.motto{
  font-style:Arial;
  color: lightgreen;
  text-align:justify;
  margin:0;
  padding:0;
}
.bttc {
  position: relative;
  padding: 16px 36px;
  font-size: 18px;
  font-weight: 600;
  color: white;

  background: rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);

  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;

  cursor: pointer;
  outline: none;

  box-shadow:
    0 8px 30px rgba(0, 0, 0, 0.25),
    inset 0 0 10px rgba(255, 255, 255, 0.25);

  transition: all 0.35s cubic-bezier(.4,0,.2,1);
}.bttc:hover {
  transform: translateY(-3px) scale(1.02);
  background: rgba(255, 255, 255, 0.28);
}

.bttc:active {
  transform: translateY(0) scale(0.97);
  box-shadow:
    0 4px 15px rgba(0, 0, 0, 0.25),
    inset 0 0 14px rgba(255, 255, 255, 0.35);
}.bttc::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    circle at center,
    rgba(255,255,255,0.45),
    transparent 70%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

#bttc:hover::after {
  opacity: 1;
}