twbs--bootstrap/less/scaffolding.less

//
// Scaffolding
// --------------------------------------------------


// Body reset
// -------------------------

html {
  font-size: 62.5%;
  // Touch the Mobile Magic™
  -webkit-overflow-scrolling: touch;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}

// Disable iOS/WinMobile font size changes
@media screen and (max-device-width: 480px) {
  html {
    -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
  }
}

body {
  margin: 0;
  color: @text-color;
  font-family: @font-family-base;
  font-size: 14px;
  font-size: 1.4rem;
  line-height: 1.5;
  background-color: @body-background;
}

// Reset fonts for revelant elements
body,
input,
button,
select,
textarea {
  font-family: @font-family-base;
  font-size: @font-size-base;
  line-height: @line-height-base;
}


// Links
// -------------------------

a {
  color: @link-color;
  text-decoration: none;
}
a:hover,
a:focus {
  color: @link-color-hover;
  text-decoration: underline;
}
a:focus {
  .tab-focus();
}


// Images
// -------------------------

img {
  // Responsive images (ensure images don't scale beyond their parents)
  max-width: 100%; // Part 1: Set a maxium relative to the parent
  width: auto\9; // IE8 need help adjusting responsive images
  height: auto; // Part 2: Scale the height according to the width, otherwise you get stretching

  // Match vertical alignment with other comment elements
  vertical-align: middle;
}

// Rounded corners
.img-rounded {
  border-radius: 6px;
}

// Image thumbnails
// See thumbnails.less for `.img-thumbnail`

// Perfect circle
.img-circle {
  border-radius: 500px; // crank the border-radius so it works with most reasonably sized images
}