Generated by SassMeister.com.

SassMeister-input-HTML.html

<div class="color red"></div>
<div class="color orange"></div>
<div class="color yellow"></div>
<div class="color green"></div>
<div class="color blue"></div>

SassMeister-input.scss

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

$rainbow: red, orange, yellow, green; 

.color {
  width: 100px;
  height: 200px;
  float: left;
}
@each $color in $rainbow {
  .#{$color} {
  background-color: $color;
  
.red {
  background-color: red;
}
.orange {
  background-color: orange;
}
.yellow {
  background-color: yellow;
}
.green {
  background-color: green;
}

SassMeister-output.css

Invalid CSS after "}": expected "}", was ""

SassMeister-rendered.html

<div class="color red"></div>
<div class="color orange"></div>
<div class="color yellow"></div>
<div class="color green"></div>
<div class="color blue"></div>