Generated by SassMeister.com.

SassMeister-input-HTML.html

<h3>%default Ordered List</h3>
<ol class='default'>
  <li>List Item 1</li>
   <li>List Item 2</li>
  <li>List Item 3</li>
</ol>
<h3>%default Unordered List</h3>
<ul class='default'>
  <li>List Item 1</li>
  <li>List Item 2</li>
  <li>List Item 3</li>
</ul>

SassMeister-input.scss

// ----
// Sass (v3.4.6)
// Compass (v1.0.1)
// Bitters (v0.10.0)
// Bourbon (v4.0.2)
// Neat (v1.6.0)
// ----

@import "bourbon/bourbon";
@import "neat/neat";
@import "bitters/bitters";

$base-spacing: 200;

ul {
  @extend %default-ul;
}

ol {
 @extend %default-ol;
}

SassMeister-output.css

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

button,
input[type="submit"] {
  -webkit-font-smoothing: antialiased;
  background-color: #477DCA;
  border-radius: 0.1875em;
  color: white;
  display: inline-block;
  font-size: 1em;
  font-weight: bold;
  line-height: 1;
  padding: .75em 1em;
  text-decoration: none;
}
button:hover,
input[type="submit"]:hover {
  background-color: #2c5999;
  color: white;
}

body {
  -webkit-font-smoothing: antialiased;
  background-color: white;
  color: #333;
  font-family: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  font-size: 1em;
  line-height: 1.5;
}

h1, h2, h3, h4, h5, h6 {
  font-family: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  line-height: 1.25em;
  margin: 0;
  text-rendering: optimizeLegibility;
}

h1 {
  font-size: 2.25em;
}

h2 {
  font-size: 2em;
}

h3 {
  font-size: 1.75em;
}

h4 {
  font-size: 1.5em;
}

h5 {
  font-size: 1.25em;
}

h6 {
  font-size: 1em;
}

p {
  margin: 0 0 0.75em;
}

a {
  -webkit-transition: color 0.1s linear;
  -moz-transition: color 0.1s linear;
  transition: color 0.1s linear;
  color: #477DCA;
  text-decoration: none;
}
a:hover {
  color: #2c5999;
}
a:active, a:focus {
  color: #2c5999;
  outline: none;
}

hr {
  border-bottom: 1px solid #DDD;
  border-left: none;
  border-right: none;
  border-top: none;
  margin: 1.5em 0;
}

img {
  margin: 0;
  max-width: 100%;
}

blockquote {
  border-left: 2px solid #DDD;
  color: #595959;
  margin: 1.5em 0;
  padding-left: 0.75em;
}

cite {
  color: #737373;
  font-style: italic;
}
cite:before {
  content: '\2014 \00A0';
}

fieldset {
  background: #f7f7f7;
  border: 1px solid #DDD;
  margin: 0 0 0.75em 0;
  padding: 1.5em;
}

input,
label,
select {
  display: block;
  font-family: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  font-size: 1em;
}

label {
  font-weight: bold;
  margin-bottom: 0.375em;
}
label.required:after {
  content: "*";
}
label abbr {
  display: none;
}

textarea,
input[type="email"], input[type="number"], input[type="password"], input[type="search"], input[type="tel"], input[type="text"], input[type="url"], input[type="color"], input[type="date"], input[type="datetime"], input[type="datetime-local"], input[type="month"], input[type="time"], input[type="week"],
select[multiple=multiple] {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  -webkit-transition: border-color;
  -moz-transition: border-color;
  transition: border-color;
  background-color: white;
  border-radius: 0.1875em;
  border: 1px solid #DDD;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.06);
  font-family: "Helvetica Neue", Helvetica, Roboto, Arial, sans-serif;
  font-size: 1em;
  margin-bottom: 0.75em;
  padding: 0.5em 0.5em;
  width: 100%;
}
textarea:hover,
input[type="email"]:hover, input[type="number"]:hover, input[type="password"]:hover, input[type="search"]:hover, input[type="tel"]:hover, input[type="text"]:hover, input[type="url"]:hover, input[type="color"]:hover, input[type="date"]:hover, input[type="datetime"]:hover, input[type="datetime-local"]:hover, input[type="month"]:hover, input[type="time"]:hover, input[type="week"]:hover,
select[multiple=multiple]:hover {
  border-color: #c4c4c4;
}
textarea:focus,
input[type="email"]:focus, input[type="number"]:focus, input[type="password"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="text"]:focus, input[type="url"]:focus, input[type="color"]:focus, input[type="date"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="week"]:focus,
select[multiple=multiple]:focus {
  border-color: #477DCA;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.06), 0 0 5px rgba(55, 112, 192, 0.7);
  outline: none;
}

textarea {
  resize: vertical;
}

input[type="search"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  -ms-appearance: none;
  -o-appearance: none;
  appearance: none;
}

input[type="checkbox"], input[type="radio"] {
  display: inline;
  margin-right: 0.375em;
}

input[type="file"] {
  margin-bottom: 0.75em;
  padding-bottom: 0.5em;
  width: 100%;
}

select {
  width: auto;
  max-width: 100%;
  margin-bottom: 1.5em;
}

table {
  border-collapse: collapse;
  margin: 0.75em 0;
  table-layout: fixed;
  width: 100%;
}

th {
  border-bottom: 1px solid #b7b7b7;
  font-weight: bold;
  padding: 0.75em 0;
  text-align: left;
}

td {
  border-bottom: 1px solid #DDD;
  padding: 0.75em 0;
}

tr, td, th {
  vertical-align: middle;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style-type: none;
}
ul {
  list-style-type: disc;
  margin-bottom: 0.75em;
  padding-left: 1.5em;
}
ol {
  list-style-type: decimal;
  margin-bottom: 0.75em;
  padding-left: 1.5em;
}

dl {
  margin-bottom: 0.75em;
}
dl dt {
  font-weight: bold;
  margin-top: 0.75em;
}
dl dd {
  margin: 0;
}

button,
input[type="submit"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  -ms-appearance: none;
  -o-appearance: none;
  appearance: none;
  border: none;
  cursor: pointer;
  user-select: none;
  vertical-align: middle;
  white-space: nowrap;
}

SassMeister-rendered.html

<h3>%default Ordered List</h3>
<ol class='default'>
  <li>List Item 1</li>
   <li>List Item 2</li>
  <li>List Item 3</li>
</ol>
<h3>%default Unordered List</h3>
<ul class='default'>
  <li>List Item 1</li>
  <li>List Item 2</li>
  <li>List Item 3</li>
</ul>