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, 0.5)
  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-inner
  +transition(opacity 0.25s ease)
  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: 50%
  //max-height: 50%
  //margin-top: 10em

  //+media($large-screen)
  width: 40%
  margin-top: 10em

  .modal-header
    padding: 0
    i
      float: right
      cursor: pointer
  
  label
    padding: 0 50px 0 0
  input
    width: 230px
    height: 30px
    line-height: 30px
    padding: 0 5px
    background: #ffffff
    border: 1px solid #cacaca
    font-size: 13px
    color: #222222
    border-radius: 2px
  button
    margin: 30px 7px 0 0
  .select2-container
    margin: 0 0 10px 0