Icon font sass

index.html

<i class="icon-star"></i>

style.sass

// Icon font
+font-face(icon-font-name, '/fonts/icon-font-name')

%icon 
  font-family: 'icon-font-name'
  speak: none
  font-style: normal
  font-weight: normal
  font-variant: normal
  text-transform: none
  line-height: 1

  -webkit-font-smoothing: antialiased
  -moz-osx-font-smoothing: grayscale

[class^="icon-"], [class*=" icon-"]
  @extend %icon

@mixin icon($name, $code)
  .icon-#{$name}:before
    content: "#{$code}"

// List icons and their codes as follows:
+icon(star, \e601)