:root {
  /* violet */
  --primary-color: 111, 76, 255;

  /* white */
  --text-color: 256, 256, 256;
}

body {
  padding: 1rem;
  text-align: center;
}
.btn {
  font-size: 18px;
  padding: 12px 32px;
  margin: 1rem;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.3s ease;
  border-radius: 50px;
}
.btn-primary {
  background-color: rgb(var(--primary-color));
  border: 1px solid rgb(var(--primary-color));
  color: rgb(var(--text-color));
}
.btn-semi-transparent {
  background-color: rgba(var(--primary-color), 0.15);
  border: 1px solid rgba(var(--primary-color), 0.25);
  color: rgba(var(--text-color), 0.8);
}
.btn-gradient {
  background-image: linear-gradient(to right, rgb(1 134 218), rgb(182 49 167));
  border: 0;
  color: rgba(var(--text-color));
}
.btn-gradient-border {
  color: rgba(var(--text-color));
  border: 2px double transparent;
  background-image: linear-gradient(rgb(13, 14, 33), rgb(13, 14, 33)),
    radial-gradient(circle at left top, rgb(1, 110, 218), rgb(217, 0, 192));
  background-origin: border-box;
  background-clip: padding-box, border-box;
}