a.btn(role="button") BUTTON

body
  display: flex
  align-items: center
  justify-content: center
  width: 100vw
  height: 100vh
  
.btn
  $gradient: linear-gradient(45deg, pink, skyblue)
  box-sizing: border-box
  box-shadow: none
  border: none
  font: 2em/1 sans-serif
  padding: 30px 100px
  letter-spacing: 5px
  color: white
  border: solid 4px transparent
  border-image: $gradient
  border-image-slice: 1
  background: $gradient
  -webkit-background-clip: text
  background-clip: text
  color: transparent
  // text-fill-color: transparent