Generated by SassMeister.com.

SassMeister-input.scss

// ----
// libsass (v3.1.0-beta)
// ----

@mixin pulsate($animation-name, $start-size: 0.75, $end-size: 1, $duration: 1.5s) {
  @keyframes #{$animation-name} {
    0%   { transform: scale($start-size); }
    50%  { transform: scale($end-size);   }
    100% { transform: scale($start-size); }
  }
  animation: $animation-name $duration infinite;
}
a {
    @include pulsate(
      $animation-name: "focus-ripple-pulsate",
      $start-size: 0.75,
      $end-size: 0.85
    );
}

SassMeister-output.css

a {
  @keyframes focus-ripple-pulsate {
    0% {
      transform: scale(0.75); }

    50% {
      transform: scale(0.85); }

    100% {
      transform: scale(0.75); } }

  animation: "focus-ripple-pulsate" 1.5s infinite; }