Generated by SassMeister.com.

SassMeister-input-HTML.jade

div.buttons
  a.button--general sample
  a.button--important sample
  a.button--navigate sample
  a.button--payment sample

SassMeister-input.scss

// ----
// Sass (v3.3.14)
// Compass (v1.0.1)
// ----

@import "compass";
.trans {
   @include animation($name: "vertical-rotate", $duration: 0.1s, $delay: 0s, $iteration-count: 10);
}

SassMeister-output.css

Mixin animation doesn't have the following arguments: $name, $duration, $delay, $iteration_count.

SassMeister-rendered.html

<div class="buttons"><a class="button--general">sample</a><a class="button--important">sample</a><a class="button--navigate">sample</a><a class="button--payment">sample</a></div>