sass

sass basics

/* --------------------- Variables --------------------- */

/* SCSS */

$primary-color: #333;

body {
  color: $primary-color;
}

/* CSS */

body {
  color: #333;
}

/* --------------------- Nesting --------------------- */

/* SCSS */

.parent {
  color: red;
 
  .child {
    color: blue;
  }

  &:hover {
    color: red;
  }
}

/* CSS */

.parent {
  color: red;
}
 
.parent .child {
  color: blue;
}

.parent:hover {
  color: red;
}

/* --------------------- Nesting --------------------- */

/* SCSS */

@import 'reset'; /* yeah, no extention, this will import: reset.scss */

body {
  font: 100% Helvetica, sans-serif;
  background-color: #efefef;
}

/* CSS */

html, body, ul, ol {
  margin: 0;
  padding: 0;
}

body {
  font: 100% Helvetica, sans-serif;
  background-color: #efefef;
}

/* --------------------- Mixins --------------------- */

/* SCSS */

@mixin border-radius($radius) {
  -webkit-border-radius: $radius;
     -moz-border-radius: $radius;
      -ms-border-radius: $radius;
          border-radius: $radius;
}

.box { 
  @include border-radius(10px); 
}

/* CSS */

.box {
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  -ms-border-radius: 10px;
  border-radius: 10px;
}

/* --------------------- Extend/Inheritance --------------------- */

/* SCSS */

.message {
  border: 1px solid #ccc;
  padding: 10px;
  color: #333;
}

.success {
  @extend .message;
  border-color: green;
}

/* CSS */

.message, .success {
  border: 1px solid #cccccc;
  padding: 10px;
  color: #333;
}

.success {
  border-color: green;
}