openproject/app/assets/stylesheets/content/_modal.sass

$ng-modal-padding:       3em
$ng-modal-background:    $base-body-color
$ng-modal-close-color:   $light-gray
$ng-modal-image-height:  135px
$ng-modal-image-width:   $ng-modal-image-height

// Based on code by Kasper Mikiewicz

.ng-modal-open
  overflow: hidden

.ng-modal-window
  // overlay
  +position(fixed, 0px 0px 0px 0px)
  background: rgba(0, 0, 0, 0.2)
  text-align: left
  z-index: 10000

  .ng-modal-bg
    +position(absolute, 0px 0px 0px 0px)
    cursor: pointer

  &.ng-enter
    +transition(opacity 0.25s ease)
    opacity: 0
    visibility: hidden

  &.ng-enter.ng-enter-active
    opacity: 1
    visibility: visible

    .ng-modal-inner
      top: 0

.ng-modal-close
  +position(absolute, $ng-modal-padding / 2 $ng-modal-padding / 2 0 0)
  +size(1.5em)
  cursor: pointer
  background: $ng-modal-background
  &:after,
  &:before
    +position(absolute, 3px 3px 0 50%)
    +transform(rotate(45deg))
    +size(0.15em 1.5em)
    background: $ng-modal-close-color
    content: ''
    display: block
    margin: -3px 0 0 -1px
  &:hover:after,
  &:hover:before
    background: darken($ng-modal-close-color, 10)
  &:before
    +transform(rotate(-45deg))

.ng-modal-inner
  +transition(opacity 0.25s ease)
  border-radius: $base-border-radius
  box-shadow: 0 5px 10px rgba(0, 0, 0, .2)
  background: $ng-modal-background
  margin: auto
  max-height: 95%
  position: relative
  overflow: auto
  width: 95%
  padding: $ng-modal-padding / 2
  margin-top: .6em
  //+media($medium-screen)
  //padding: $ng-modal-padding
  //width: 60%
  //max-height: 60%
  //margin-top: 10em

  //+media($large-screen)
  width: 50%
  margin-top: 10em

  h1
    color: $base-font-color
    margin-bottom: .6em
    text-align: left
    text-transform: capitalize
  p
    font-size: $base-font-size
    max-width: 100% !important
    padding: 0
    text-align: left
    &.intro
      color: $blue
      line-height: 1.6em
    &.body
      color: $base-font-color
      line-height: 1.45em
      //+media($medium-screen)
      +columns(2 8em)

  a.cta
    color: white
    display: inline-block
    margin-right: .5em
    margin-top: 1em
    &:last-child
      padding: 0 2em