Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.0.rc.3)
// Compass (v1.0.0.rc.1)
// ----

//http://designwoop.com/2014/07/10-useful-sass-mixins-modern-developer/
@mixin css3($property, $value) {
  @each $prefix in -webkit-, -moz-, -ms-, -o-, '' {
    #{$prefix}#{$property}: $value;
  }
}

.border_radius {
  @include css3(transition, 0.5s);
}

SassMeister-output.css

.border_radius {
  -webkit-transition: 0.5s;
  -moz-transition: 0.5s;
  -ms-transition: 0.5s;
  -o-transition: 0.5s;
  transition: 0.5s;
}