buttons.css

@import url("https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap");
@import "vars.css";

.wrapper .btns {
  display: flex;
  margin: 30px 0 20px 0;
}

.btns a {
  position: relative;
  margin: 0 20px;
  height: 60px;
  width: 200px;
  display: block;
  line-height: 60px;
  border-radius: 10px;
  text-decoration: none;
  color: var(--background);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 1px;
  overflow: hidden;
  box-shadow: 0 0px 15px var(--color);
}

.btns a:hover {
  box-shadow: 0 0px 20px var(--color);
}

.btns a:first-child {
  background: linear-gradient(90deg, var(--secondary-color), var(--color));
}

.btns a:last-child {
  background: linear-gradient(90deg, var(--color), var(--secondary-color));
}

.btns a:first-child:hover {
  background: linear-gradient(90deg, var(--color), var(--secondary-color));
}

.btns a:last-child:hover {
  background: linear-gradient(90deg, var(--secondary-color), var(--color));
}

.btns a > span {
  /*Styling for the shadow */
  position: absolute;
  /* Ripple color */
  background: var(--background);
  transform: translate(-50%, -50%);
  border-radius: 50%;
  pointer-events: none;
  animation: ripples 0.6s linear infinite;
}

@keyframes ripples {
  0% {
    width: 0px;
    height: 0px;
    opacity: 0.5;
  }

  100% {
    width: 500px;
    height: 500px;
    opacity: 0;
  }
}