 .back {
  background: rgb(var(--secondary));
  border-radius: 100%;
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
}

.btn-class-name .front {
  background: linear-gradient(0deg, rgba(var(--primary), .6) 20%, rgba(var(--primary)) 50%);
  box-shadow: 0 .5em 1em -0.2em rgba(var(--secondary), .5);
  border-radius: 100%;
  position: absolute;
  border: 1px solid rgb(var(--secondary));
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  al