A CodePen by Bermon Painter. SCSS (Sassy) Syntax

index.html

<h1>SCSS (Sassy) Syntax</h1>
<p>The SCSS syntax was implemented a while after the Sass syntax. SCSS isn't white space dependent and looks and functions just like writing normal CSS.</p>

<div class="columns">
  <div class="col1">Column 1</div>
  <div class="col2">Column 2</div>
  <div class="col3">Column 2</div>
</div>

style.scss

@import "compass";
h1 {
  font-size: 20px;
  margin: 0;
}
p {
  margin: 0 0 10px;
}
.columns {
  background-color: #ccc;
  width: 100%;
  
  div {
    background-color: #666;
    display: inline-block;
    height: 150px;
    margin-right: 4.3%;
    width: 30%;
  }
  
  .col3 {
    margin-right: 0;
  }
}