advanced compass usage with blueprint grid & scaffolding, and color theory

application.css

/* resulting css after compilation */

html {
  margin: 0;
  padding: 0;
  border: 0; }

.bp-reset-element, body, h1, h2, h3, h4, h5, h6, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary, blockquote, q, th, td, caption, table,
div, span, object, iframe, p,
pre, a, abbr, acronym, address,
code, del, dfn, em, img,
dl, dt, dd, ol, ul, li, fieldset,
form, label, legend,
caption, tbody, tfoot, thead, tr {
  margin: 0;
  padding: 0;
  border: 0;
  font-weight: inherit;
  font-style: inherit;
  font-size: 100%;
  font-family: inherit;
  vertical-align: baseline; }

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section, summary {
  display: block; }

blockquote, q {
  quotes: "" ""; }
  blockquote:before, blockquote:after, q:before, q:after {
    content: ""; }

th, td, caption {
  float: none !important;
  text-align: left;
  font-weight: normal;
  vertical-align: middle; }

table {
  border-collapse: separate;
  border-spacing: 0;
  vertical-align: middle; }

a img {
  border: none; }

body {
  line-height: 1.5;
  font-family: "Helvetica Neue", Arial, Helvetica, sans-serif;
  color: #333333;
  font-size: 75%; }
  body h1, body h2, body h3, body h4, body h5, body h6 {
    font-weight: normal;
    color: #222222; }
    body h1 img, body h2 img, body h3 img, body h4 img, body h5 img, body h6 img {
      margin: 0; }
  body h1 {
    font-size: 3em;
    line-height: 1;
    margin-bottom: 0.50em; }
  body h2 {
    font-size: 2em;
    margin-bottom: 0.75em; }
  body h3 {
    font-size: 1.5em;
    line-height: 1;
    margin-bottom: 1.00em; }
  body h4 {
    font-size: 1.2em;
    line-height: 1.25;
    margin-bottom: 1.25em; }
  body h5 {
    font-size: 1em;
    font-weight: bold;
    margin-bottom: 1.50em; }
  body h6 {
    font-size: 1em;
    font-weight: bold; }
  body p {
    margin: 0 0 1.5em; }
    body p .left {
      display: inline;
      float: left;
      margin: 1.5em 1.5em 1.5em 0;
      padding: 0; }
    body p .right {
      display: inline;
      float: right;
      margin: 1.5em 0 1.5em 1.5em;
      padding: 0; }
  body a {
    text-decoration: underline;
    color: #0066cc; }
    body a:visited {
      color: #004c99; }
    body a:focus {
      color: #0099ff; }
    body a:hover {
      color: #0099ff; }
    body a:active {
      color: #bf00ff; }
  body blockquote {
    margin: 1.5em;
    color: #666666;
    font-style: italic; }
  body strong, body dfn {
    font-weight: bold; }
  body em, body dfn {
    font-style: italic; }
  body sup, body sub {
    line-height: 0; }
  body abbr, body acronym {
    border-bottom: 1px dotted #666666; }
  body address {
    margin: 0 0 1.5em;
    font-style: italic; }
  body del {
    color: #666666; }
  body pre {
    margin: 1.5em 0;
    white-space: pre; }
  body pre, body code, body tt {
    font: 1em "andale mono", "lucida console", monospace;
    line-height: 1.5; }
  body li ul, body li ol {
    margin: 0; }
  body ul, body ol {
    margin: 0 1.5em 1.5em 0;
    padding-left: 1.5em; }
  body ul {
    list-style-type: disc; }
  body ol {
    list-style-type: decimal; }
  body dl {
    margin: 0 0 1.5em 0; }
    body dl dt {
      font-weight: bold; }
  body dd {
    margin-left: 1.5em; }
  body table {
    margin-bottom: 1.4em;
    width: 100%; }
  body th {
    font-weight: bold; }
  body thead th {
    background: #c3d9ff; }
  body th, body td, body caption {
    padding: 4px 10px 4px 5px; }
  body table.striped tr:nth-child(even) td,
  body table tr.even td {
    background: #e5ecf9; }
  body tfoot {
    font-style: italic; }
  body caption {
    background: #eeeeee; }
  body .quiet {
    color: #666666; }
  body .loud {
    color: #111111; }

form label {
  font-weight: bold; }
form fieldset {
  padding: 1.4em;
  margin: 0 0 1.5em 0; }
form legend {
  font-weight: bold;
  font-size: 1.2em; }
form input.text, form input.title, form input[type=email], form input[type=text], form input[type=password] {
  margin: 0.5em 0;
  background-color: white;
  padding: 5px; }
form input.title {
  font-size: 1.5em; }
form textarea {
  margin: 0.5em 0;
  padding: 5px; }
form select {
  margin: 0.5em 0; }
form fieldset {
  border: 1px solid #cccccc; }
form input.text, form input.title, form input[type=email], form input[type=text], form input[type=password],
form textarea {
  background-color: #fff;
  border: 1px solid #bbbbbb; }
  form input.text:focus, form input.title:focus, form input[type=email]:focus, form input[type=text]:focus, form input[type=password]:focus,
  form textarea:focus {
    border-color: #666666; }
form select {
  background-color: #fff;
  border-width: 1px;
  border-style: solid; }
form input.text, form input.title, form input[type=email], form input[type=text], form input[type=password] {
  width: 300px; }
form textarea {
  width: 390px;
  height: 250px; }
form .box {
  padding: 1.5em;
  margin-bottom: 1.5em;
  background: #e5ecf9; }
form .border {
  padding-right: 4px;
  margin-right: 5px;
  border-right: 1px solid #dddddd; }
form .colborder {
  padding-right: 24px;
  margin-right: 25px;
  border-right: 1px solid #dddddd; }
form hr {
  background: #dddddd;
  color: #dddddd;
  clear: both;
  float: none;
  width: 100%;
  height: 0.1em;
  margin: 0 0 1.45em;
  border: none; }
form hr.space {
  background: #dddddd;
  color: #dddddd;
  clear: both;
  float: none;
  width: 100%;
  height: 0.1em;
  margin: 0 0 1.45em;
  border: none;
  background: white;
  color: white;
  visibility: hidden; }
form form.inline {
  line-height: 3; }
  form form.inline p {
    margin-bottom: 0; }

body #page_container {
  width: 950px;
  margin: 0 auto;
  overflow: hidden;
  *zoom: 1;
  overflow: visible; }
body header, body footer {
  display: inline;
  float: left;
  margin-right: 10px;
  width: 950px; }
  * html body header, * html body footer {
    overflow-x: hidden; }
body #body_content_right {
  display: inline;
  float: left;
  margin-right: 10px;
  width: 270px;
  display: inline;
  float: right;
  margin-right: 0; }
  * html body #body_content_right {
    overflow-x: hidden; }
body #body_content_left {
  display: inline;
  float: left;
  margin-right: 0;
  width: 630px; }
  * html body #body_content_left {
    overflow-x: hidden; }

form label {
  display: inline;
  float: left;
  margin-right: 10px;
  width: 150px; }
  * html form label {
    overflow-x: hidden; }
form .actions {
  margin-left: 160px; }

nav#menu {
  margin: 0;
  padding: 0;
  border: 0;
  overflow: hidden;
  *zoom: 1; }
  nav#menu li {
    list-style-image: none;
    list-style-type: none;
    margin-left: 0;
    white-space: nowrap;
    display: inline;
    float: left;
    padding-left: 4px;
    padding-right: 4px; }
    nav#menu li:first-child, nav#menu li.first {
      padding-left: 0; }
    nav#menu li:last-child {
      padding-right: 0; }
    nav#menu li.last {
      padding-right: 0; }

.border-radius, #page, body h1, body p, body nav#menu, body nav#menu li, body #body_content_right .inner {
  -webkit-border-radius: 20px;
  -moz-border-radius: 20px;
  -ms-border-radius: 20px;
  -o-border-radius: 20px;
  border-radius: 20px; }

.single-box-shadow, body h1, body p, body nav#menu, body nav#menu li, body #body_content_right .inner {
  -webkit-box-shadow: -5px 3px 15px rgba(0, 0, 0, 0.25);
  -moz-box-shadow: -5px 3px 15px rgba(0, 0, 0, 0.25);
  box-shadow: -5px 3px 15px rgba(0, 0, 0, 0.25); }

.padded, body h1, body p, body nav#menu, body nav#menu li, body #body_content_right .inner {
  padding: 20px; }

.stackable, body h1, body p, body nav#menu, body nav#menu li, body #body_content_right .inner {
  margin-bottom: 20px; }

#page {
  background: #b5a18f; }

body {
  background: #6b4420;
  padding: 20px 0;
  background-image: -webkit-gradient(linear, 50% 0%, 50% 100%, color-stop(0%, #442b14), color-stop(100%, #6b4420));
  background-image: -webkit-linear-gradient(#442b14, #6b4420);
  background-image: -moz-linear-gradient(#442b14, #6b4420);
  background-image: -o-linear-gradient(#442b14, #6b4420);
  background-image: -ms-linear-gradient(#442b14, #6b4420);
  background-image: linear-gradient(#442b14, #6b4420); }
  body h1 {
    border: 5px solid #793812;
    background-color: #a54d19;
    color: #44200a; }
  body p {
    border: 5px solid #794e12;
    background-color: #a56b19;
    color: #442c0a; }
  body nav#menu {
    border: 5px solid #122279;
    background-color: #192fa5;
    color: #0a1344; }
    body nav#menu li {
      border: 5px solid #126c79;
      background-color: #1993a5;
      color: #0a3d44;
      padding: 5px;
      border: 0;
      margin-right: 10px; }
  body #body_content_right .inner {
    border: 5px solid #124979;
    background-color: #1963a5;
    color: #0a2944; }

application.css.sass

// INIT ========================================================================

@import compass
@import blueprint
@import blueprint/reset
@import blueprint/scaffolding

body
  +blueprint-typography(true)
  // +blueprint-utilities
  // +blueprint-debug
  // +blueprint-interaction
form
  +blueprint-form
  +blueprint-scaffolding

// STRUCTURE / LAYOUT / BOX-MODEL ==============================================

$blueprint-grid-columns:    24
$blueprint-container-size:  950px
$blueprint-grid-margin:     10px
$blueprint-grid-width:      ($blueprint-container-size + $blueprint-grid-margin) / $blueprint-grid-columns - $blueprint-grid-margin
$blueprint-cell-width:      $blueprint-grid-width + $blueprint-grid-margin

=container-alt
  +container
  overflow: visible

body
  #page_container
    +container-alt
  header, footer
    +column($blueprint-grid-columns)
  #body_content_right
    $sidebar-columns: floor($blueprint-grid-columns / 3) - 1
    +column($sidebar-columns)
    +float(right)
    +last
  #body_content_left
    $content-columns: ceil(2 * $blueprint-grid-columns / 3)
    +column($content-columns, true)

form
  label
    +column(4)
  .actions
    margin-left: span(4) + 10px

nav#menu
  +horizontal-list

// THEMING / DECORATIONS =======================================================

// VARIABLES & DEFAULTS -----------------------------------

$default-box-shadow-color: fade-out(black, 0.75)
$default-box-shadow-blur: 15px
$default-box-shadow-h-offset: -5px
$default-box-shadow-v-offset: 3px

$delta: 10deg
$base_color: adjust_hue(#a55c19, 0deg)
$analog1: adjust_hue($base_color, $delta)
$analog2: adjust_hue($base_color, -$delta)
$complement: adjust_hue($base_color, 180deg)
$complement_analog1: adjust_hue($complement, $delta)
$complement_analog2: adjust_hue($complement, -$delta)
$page_background: darken(desaturate($base_color, 20%), 10%)

$default_border_width: 5px
$default_border_style: solid
$default_border_color: gray
$default_border_radius: 20px


// MIXINS & CLASSES ---------------------------------------

=bordered($border_width: $default_border_width, $border_style: $default_border_style, $border_color: $default_border_color)
  border: $border_width $border_style $border_color
=stackable
  margin-bottom: 20px
=padded
  padding: 20px
=rounded
  +border-radius

.border-radius
  +border-radius
.single-box-shadow
  +single-box-shadow
.padded
  +padded
.stackable
  +stackable

=auto_block($block_background)
  $bg: hsl( hue(mix($block_background, $page_background)), saturation($block_background), lightness($block_background) )
  +bordered($border_color:    darken($bg, 10%))
  $contrasted-dark-default:   mix( darken($bg,  20%), black, 90% )
  $contrasted-light-default:  mix( lighten($bg, 20%), white, 90% )
  +contrasted($bg)
  @extend .padded
  @extend .single-box-shadow
  @extend .border-radius
  @extend .stackable

// LET'S APPLY THE THEMING ! ------------------------------

#page
  background: mix($page_background, white)
  @extend .border-radius

body
  background: $page_background
  padding: 20px 0
  +linear-gradient($page_background, darken($page_background, 10%))
  h1
    +auto_block($analog2)
  p
    +auto_block($analog1)
  nav#menu
    +auto_block($complement_analog1)
    li
      +auto_block($complement_analog2)
      padding: 5px
      border: 0
      margin-right: 10px

  #body_content_right
    .inner
      +auto_block($complement)