Generated by SassMeister.com.

SassMeister-input-HTML.html

<button class="image-stack"></button>
<button class="home"></button>
<button class="select-image"></button>
<button class="launch-camera"></button>
<button class="my-location"></button>

SassMeister-input.scss

// ----
// libsass (v0.7.0)
// ----

$icon_font_alpha: 'ico-font' !default;
$default_ico_margin: true !default;

$stack: '\e600';
$home: '\e601';
$image: '\e602';
$images: '\e603';
$camera: '\e604';
$location: '\e605';

%ico-font-base {
  font-family: $icon_font_alpha;
  speak: none;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

@mixin icon($pua, $margin: $default_ico_margin) {
  &:before {
    @extend %ico-font-base;
    content: $pua;
    @if $margin == true {
      margin-right: 0.25em;
    }
  }
}

button {
  font-size: 2em;
  border-radius: 3px;
  background-color: white;
  border: 1px solid #333;
  padding: 10px;
}

.image-stack {
  @include icon('\e600', false);
}

.home {
  @include icon($home);
}

.select-image {
  @include icon($image);
}

.launch-camera {
  @include icon($camera);
}

.my-location {
  @include icon($location);
}

SassMeister-output.css

.image-stack:before, .home:before, .select-image:before, .launch-camera:before, .my-location:before {
  font-family: 'ico-font';
  speak: none;
  font-style: normal;
  font-weight: normal;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale; }

button {
  font-size: 2em;
  border-radius: 3px;
  background-color: white;
  border: 1px solid #333;
  padding: 10px; }

.image-stack:before {
  content: '\e600'; }

.home:before {
  content: '\e601';
  margin-right: 0.25em; }

.select-image:before {
  content: '\e602';
  margin-right: 0.25em; }

.launch-camera:before {
  content: '\e604';
  margin-right: 0.25em; }

.my-location:before {
  content: '\e605';
  margin-right: 0.25em; }

SassMeister-rendered.html

<button class="image-stack"></button>
<button class="home"></button>
<button class="select-image"></button>
<button class="launch-camera"></button>
<button class="my-location"></button>