Bootstrap/lib/scaffolding.less

/*
 * Scaffolding
 * Basic and global styles for generating a grid system, structural layout, and page templates
 * ------------------------------------------------------------------------------------------- */


// GRID SYSTEM
// -----------

.row {
  .clearfix();
  margin-left: -1 * @gridGutterWidth;

  // Find all .span# classes within .row and give them the necessary properties for grid columns (supported by all browsers back to IE7)
  // Credit to @dhg for the idea
  [class^="span"] {
    display: inline;
    float: left;
    margin-left: @gridGutterWidth;
  }

  // Default columns
  .span1     { .columns(1); }
  .span2     { .columns(2); }
  .span3     { .columns(3); }
  .span4     { .columns(4); }
  .span5     { .columns(5); }
  .span6     { .columns(6); }
  .span7     { .columns(7); }
  .span8     { .columns(8); }
  .span9     { .columns(9); }
  .span10    { .columns(10); }
  .span11    { .columns(11); }
  .span12    { .columns(12); }
  .span13    { .columns(13); }
  .span14    { .columns(14); }
  .span15    { .columns(15); }
  .span16    { .columns(16); }

  // Offset column options
  .offset1   { .offset(1); }
  .offset2   { .offset(2); }
  .offset3   { .offset(3); }
  .offset4   { .offset(4); }
  .offset5   { .offset(5); }
  .offset6   { .offset(6); }
  .offset7   { .offset(7); }
  .offset8   { .offset(8); }
  .offset9   { .offset(8); }
  .offset10  { .offset(10); }
  .offset11  { .offset(11); }
  .offset12  { .offset(12); }

  // Unique column sizes for 16-column grid
  .span-one-third     { width: 300px; }
  .span-two-thirds    { width: 620px; }
  .offset-one-third   { margin-left: 320px; }
  .offset-two-thirds  { margin-left: 640px; }
}


// STRUCTURAL LAYOUT
// -----------------

html, body {
  background-color: #fff;
}
body {
  margin: 0;
  #font > .sans-serif(normal,@basefont,@baseline);
  color: @gray;
  text-rendering: optimizeLegibility;
}

// Container (centered, fixed-width layouts)
.container {
  width: 940px;
  margin: 0 auto;
}

// Fluid layouts (left aligned, with sidebar, min- & max-width content)
.container-fluid {
  padding: 0 20px;
  .clearfix();
  .sidebar {
    float: left;
    width: 220px;
  }
  .content {
    min-width: 700px;
    max-width: 1180px;
    margin-left: 240px;
  }
}


// BASE STYLES
// -----------

// Links
a {
  color: @linkColor;
  text-decoration: none;
  line-height: inherit;
  font-weight: inherit;
  &:hover {
    color: @linkColorHover;
    text-decoration: underline;
  }
}

// Buttons
.btn {
  display: inline-block;
  #gradient > .vertical-three-colors(#fff, #fff, 0.25, darken(#fff, 10%));
  padding: 4px 14px;
  text-shadow: 0 1px 1px rgba(255,255,255,.75);
  color: #333;
  font-size: 13px;
  line-height: @baseline;
  border: 1px solid #ccc;
  border-bottom-color: #bbb;
  .border-radius(4px);
  @shadow: inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05);
  .box-shadow(@shadow);
  &:hover {
    background-position: 0 -15px;
    color: #333;
    text-decoration: none;
  }
}
.primary {
  #gradient > .vertical(#049CDB, #0064CD);
  color: #fff;
  text-shadow: 0 -1px 0 rgba(0,0,0,.25);
  border: 1px solid darken(#0064CD, 10%);
  border-bottom-color: darken(#0064CD, 15%);
  &:hover {
    color: #fff;
  }
}

.btn {
  //.button(#1174C6);
  .transition(.1s linear all);
  &.primary {
    //#gradient > .vertical(@blue, @blueDark);
    color: #fff;
    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
    border-color: @blueDark @blueDark darken(@blueDark, 15%);
    border-color: rgba(0,0,0,.1) rgba(0,0,0,.1) fadein(rgba(0,0,0,.1), 15%);
    &:hover {
      color: #fff;
    }
  }
  &.large {
    font-size: 16px;
    line-height: 28px;
    .border-radius(6px);
  }
  &.small {
    padding-right: 9px;
    padding-left: 9px;
    font-size: 11px;
  }
  &.disabled {
    background-image: none;
    .opacity(65);
    cursor: default;
    .box-shadow(none);
  }

  // this can't be included with the .disabled def because IE8 and below will drop it ;_;
  &:disabled {
    background-image: none;
    .opacity(65);
    cursor: default;
    .box-shadow(none);
    &.primary {
      color: #fff;
    }
  }
  &:active {
    @shadow: inset 0 3px 7px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05);
    .box-shadow(@shadow);
  }
}

// Help Firefox not be a jerk about adding extra padding to buttons
button.btn,
input[type=submit].btn {
  &::-moz-focus-inner {
  	padding: 0;
  	border: 0;
  }
}