.button {
  position: relative;
  padding: 15px 30px;
  font-family: inherit;
  background-color: var(--color-primary);
  border: 2px solid;
  font-size: 20px;
  font-weight: 600;
  color: white;
  cursor: pointer;
  text-transform: uppercase;
  overflow: hidden;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.button:hover span {
  background: linear-gradient(135deg, #aefb2a 0%, #57ebde 100% );
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.button::before {
  position: absolute;
  content: '';
  width: 100%;
  height: 100%;
  left: -110%;
  top: -0%;
  background: #aefb2a;
  pointer-events: none;
  margin: auto;
  transition: all 0.6s cubic-bezier(0.23, 1, 0.320, 1);
}

.button:hover {
  letter-spacing: 2px;
  border-image: linear-gradient(135deg, #aefb2a 0%, #57ebde 100% );
  border-image-slice: 1;
}

.button:hover::before {
  left: 110%;
}

.button:active {
  scale: 0.95;
}