Marshmallow

.btn-marshmallow {
  display: inline-block;
  padding: 14px 30px;
  border: none;
  border-radius: 20px;
  background: #ffffff;
  color: #64748b;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(148, 163, 184, 0.5), inset 0 -4px 0 rgba(203, 213, 225, 0.6);
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.2s ease;
}
.btn-marshmallow:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(148, 163, 184, 0.55), inset 0 -4px 0 rgba(203, 213, 225, 0.6);
}
.btn-marshmallow:active {
  transform: scale(1.05, 0.9);
  box-shadow: 0 3px 8px rgba(148, 163, 184, 0.5), inset 0 -2px 0 rgba(203, 213, 225, 0.6);
}