@import 'schnitzelstyle/configuration';
@import 'schnitzelstyle/reset';
@import 'schnitzelstyle/basics';
@import 'schnitzelstyle/flashes';
@import 'schnitzelstyle/forms';
@import 'schnitzelstyle/grid';
@import 'schnitzelstyle/export';

@mixin schnitzel-complete {
  @include schnitzel-reset;
  @include schnitzel-basics;
  @include schnitzel-flashes;
  @include schnitzel-forms;
}

@import 'schnitzelstyle/configuration';
@import 'schnitzelstyle/reset';
@import 'schnitzelstyle/basics';
@import 'schnitzelstyle/flashes';
@import 'schnitzelstyle/forms';
@import 'schnitzelstyle/grid';
@import 'schnitzelstyle/export';

@mixin schnitzel-complete {
  @include schnitzel-reset;
  @include schnitzel-basics;
  @include schnitzel-flashes;
  @include schnitzel-forms;
}

@mixin button($color: #fef4e9, $radius: .5em) {
  padding: 2px 4px;

  /* button basics */
  text-shadow: 0 1px 1px rgba(0,0,0,.3);
  -webkit-border-radius: $radius;
  -moz-border-radius: $radius;
  border-radius: $radius;
  -webkit-box-shadow: 0 1px 2px rgba(0,0,0,.2);
  -moz-box-shadow: 0 1px 2px rgba(0,0,0,.2);
  box-shadow: 0 1px 2px rgba(0,0,0,.2);

  /* colors */
  color: $color;
  border: solid 1px darken($color, 50%);
  @include gradient($color);
}

@mixin gradient($color) {
  background: darken($color, 20%);
  background: -webkit-gradient(linear, left top, left bottom, from(darken($color, 30%)), to(darken($color, 45%)));
  background: -moz-linear-gradient(top,  darken($color, 30%),  darken($color, 45%));
  filter:  progid:DXImageTransform.Microsoft.gradient(startColorstr='#faa51a', endColorstr='#f47a20');
}

Add @button and @gradient mixins
Add @button and @gradient mixins