CodePen Embed - Flexbox Properties Demonstration

<!-- tell angular this is flexboxDemoApp -->
<html lang="en" ng-app="flexboxDemoApp">
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <title>CSS3 Flexbox Playground</title>
    <!-- Angulars Material CSS -->
    <link rel="stylesheet" href="https://ajax.googleapis.com/ajax/libs/angular_material/0.8.3/angular-material.min.css">
    <!-- include our compiled CSS -->
    <link href="css/style.css" rel="stylesheet">
  </head>
  <!-- this will be the only controller AppCtrl -->
  <body ng-controller="AppCtrl">
    <!-- Here's the main container -->
    <md-content class="md-padding">
      <div layout-gt-md="row" layout="column">
        <div flex-gt-md="66" flex="100" class="right-padding">
          <h3>Children Width</h3>
          <div layout="row" layout-align="center center" class="code">
            <div flex="15">width: {{children_width}}%</div>
            <md-slider flex min="0" max="100" ng-model="children_width" aria-label="width"></md-slider>
          </div>

          <md-divider></md-divider>

          <h3>Parent Flex Properties &ndash; <span class="highlight">flex container</span></h3>
          <div layout="column" layout-gt-md="row" class="code">
            <div layout="row">
              <div flex>
                <strong>flex-direction</strong>
                <md-radio-group ng-model="parent.flexDirection">
                  <md-radio-button value="row" class="highlight">row</md-radio-button>
                  <md-radio-button value="row-reverse">row-reverse</md-radio-button>
                  <md-radio-button value="column">column</md-radio-button>
                  <md-radio-button value="column-reverse">column-reverse</md-radio-button>
                </md-radio-group>
              </div>
              
              <div flex>
                <strong>flex-wrap</strong>
                <md-radio-group ng-model="parent.flexWrap">
                  <md-radio-button value="nowrap" class="highlight">nowrap</md-radio-button>
                  <md-radio-button value="wrap">wrap</md-radio-button>
                  <md-radio-button value="wrap-reverse">wrap-reverse</md-radio-button>
                </md-radio-group>
              </div>
            </div>

            <div layout="row">
              <div flex>
                <strong>justify-content</strong>
                <md-radio-group ng-model="parent.justifyContent">
                  <md-radio-button value="flex-start" class="highlight">flex-start</md-radio-button>
                  <md-radio-button value="flex-end">flex-end</md-radio-button>
                  <md-radio-button value="center">center</md-radio-button>
                  <md-radio-button value="space-between">space-between</md-radio-button>
                  <md-radio-button value="space-around">space-around</md-radio-button>
                </md-radio-group>
              </div>

              <div flex>
                <strong>align-items</strong>
                <md-radio-group ng-model="parent.alignItems">
                  <md-radio-button value="stretch" class="highlight">stretch</md-radio-button>
                  <md-radio-button value="flex-start">flex-start</md-radio-button>
                  <md-radio-button value="flex-end">flex-end</md-radio-button>
                  <md-radio-button value="center">center</md-radio-button>
                  <md-radio-button value="baseline">baseline</md-radio-button>
                </md-radio-group>
              </div>
            </div>

            <div layout="row">
              <div flex>
                <strong>align-content</strong>
                <md-radio-group ng-model="parent.alignContent">
                  <md-radio-button value="stretch" class="highlight">stretch</md-radio-button>
                  <md-radio-button value="flex-start">flex-start</md-radio-button>
                  <md-radio-button value="flex-end">flex-end</md-radio-button>
                  <md-radio-button value="center">center</md-radio-button>
                  <md-radio-button value="space-between">space-between</md-radio-button>
                  <md-radio-button value="space-around">space-around</md-radio-button>
                </md-radio-group>
              </div>
            </div>
          </div>

          <small>* The default property values are <span class="highlight">highlighed</span>.</small>

          <md-divider></md-divider>

          <h3>Children Flex Properties &ndash; <span class="highlight">flex items</span></h3>

          <div>
            <p>The children flex properties can be applied at child level, separate for each child. See the results section and change some of their properties. Hover with the mouse pointer or touch the fields to see the property name.</p>
          </div>

          <md-divider hide show-sm show-md></md-divider>
        </div>

        <div flex>
          <h3 class="pull-left">Result</h3>
          <p class="pull-right">
            <md-button class="md-accent md-raised" ng-click="addChild()">Add child</md-button>
          </p>

          <div class="clearfix"></div>

          <div
            class="flexbox-parent" 
            ng-attr-style="
              -webkit-flex-direction:  {{parent.flexDirection}};
              flex-direction:          {{parent.flexDirection}};

              -webkit-flex-wrap:       {{parent.flexWrap}};
              flex-wrap:               {{parent.flexWrap}};

              -webkit-justify-content: {{parent.justifyContent}};
              justify-content:         {{parent.justifyContent}};

              -webkit-align-items:     {{parent.alignItems}};
              align-items:             {{parent.alignItems}};

              -webkit-align-content:   {{parent.alignContent}};
              align-content:           {{parent.alignContent}};
              "
          >
            <div 
              class="code md-whiteframe-z1"
              ng-repeat="child in children"
              ng-attr-style="
                width:               {{children_width}}%;

                -webkit-order:       {{child.order}};
                order:               {{child.order}};

                -webkit-flex-grow:   {{child.flexGrow}};
                flex-grow:           {{child.flexGrow}};

                -webkit-flex-shrink: {{child.flexShrink}};
                flex-shrink:         {{child.flexShrink}};

                -webkit-flex-basis:  {{child.flexBasis}};
                flex-basis:          {{child.flexBasis}};

                -webkit-align-self:  {{child.alignSelf}};
                align-self:          {{child.alignSelf}};

              "
            >
              <div class="clearfix">
                <span class="child-number" aria-label="Number">{{$index + 1}}</span>
                <span class="remove-child pull-right" ng-click="removeChild($index)" title="Remove">
                  &#x2716;
                </span>
              </div>

              <div class="child-controls">
                <md-input-container>
                  <md-tooltip md-direction="top">order</md-tooltip>
                  <input type="number" ng-model="children[$index].order">
                </md-input-container>

                <md-input-container>
                  <md-tooltip md-direction="top">flex-grow</md-tooltip>
                  <input type="number" ng-model="children[$index].flexGrow">
                </md-input-container>

                <md-input-container>
                  <md-tooltip md-direction="top">flex-shrink</md-tooltip>
                  <input type="number" ng-model="children[$index].flexShrink">
                </md-input-container>

                <md-input-container>
                  <md-tooltip md-direction="top">flex-basis</md-tooltip>
                  <input type="text" ng-model="children[$index].flexBasis">
                </md-input-container>

                <md-input-container>
                  <md-tooltip md-direction="top">align-self</md-tooltip>
                  <md-select ng-model="children[$index].alignSelf">
                    <md-option ng-value="value" ng-repeat="value in ['auto', 'flex-start', 'flex-end', 'center', 'baseline', 'stretch']">{{value}}</md-option>
                  </md-select>
                </md-input-container>
              </div>
                
            </div>
          </div>
        </div>
      </div>
    </md-content>
    
    <!-- AngularJS -->
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.6/angular-animate.min.js"></script>
    <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.6/angular-aria.min.js"></script>

    <!-- Angular Material JavaScript -->
    <script src="https://ajax.googleapis.com/ajax/libs/angular_material/0.8.3/angular-material.min.js"></script>

    <!-- App.js -->
    <script src="js/app.js"></script>
  </body>
</html>

@import "compass/css3";

@import "compass";

// Flex container
.flexbox-parent {
  @include display-flex;
  background: #FFD54F;
  overflow: hidden;
  width: 100%;
  padding: 3px;
  min-height: 550px;
  max-height: 1000px;

  // Flex items
  > div {
    display: inline-block;
    background: white;
    overflow: hidden;
    margin: 3px;
    padding: 5px;

    .child-controls {
      margin-top: 7px;
    }
  }
}

.child-number {
  display: block;
  width: 22px;
  height: 22px;
  background: #FFB300;
  color: white;
  font-size: 14px;
  font-weight: bold;
  padding-top: 3px;
  text-align: center;
  @include border-radius(50%);
  float: left;
}

.code {
  font-family: Consolas, "Courier New", Monospace;
  font-size: 15px;
}

.remove-child {
  background: transparent;
  color: #FF6F00;
  font-size: 14px;
  cursor: pointer;
}

.highlight {
  color: #FF8F00;
}

.pull-left {
  float: left;
}

.pull-right {
  float: right;
}

.clearfix {
  &:after {
    content: '';
    display: block;
    clear: both;
  }
}

.right-padding {
  padding-right: 15px;
}

h3 {
  margin: 0 0 10px 0 !important;
}

p {
  margin: 0 0 10px 0 !important;
  line-height: 1.4em !important;
}

md-input-container {
  padding: 0 0 5px 0 !important;

  .md-input {
    padding: 0 !important;
    line-height: 1em !important;
  }
}

md-select {
  margin-top: 0 !important;

  .md-select-label {
    padding-top: 2px !important;
    padding-bottom: 4px !important;
  }
}

md-radio-button {
  margin: 5px 10px !important;
}

md-divider {
  margin: 10px 0 !important;
}

View Compiled

// Declare the flexboxDemoApp module and its dependency 'ngMaterial'
var app = angular.module('flexboxDemoApp', ['ngMaterial']);
// Declare the AppCtrl controller
app
.config(['$mdThemingProvider', function ($mdThemingProvider) {
  $mdThemingProvider
    .theme('default')
    .accentPalette('amber', {
      default: '700'
    });
}])
.controller('AppCtrl', ['$scope', function ($scope) {
  $scope.parent = {
    flexDirection:  'row',
    flexWrap:       'nowrap',
    justifyContent: 'flex-start',
    alignItems:     'stretch',
    alignContent:   'stretch'
  };

  $scope.children_width = 12; // %

  $scope.children  = [];

  var addChild = function (order, flexGrow, flexShrink, flexBasis, alignSelf) {
    $scope.children.push({
      order:      order      || 0,
      flexGrow:   flexGrow   || 0,
      flexShrink: flexShrink || 1,
      flexBasis:  flexBasis  || 'auto',
      alignSelf:  alignSelf  || 'auto'
    });
  };
  var removeChild = function (index) {
    $scope.children.splice(index, 1);
  };

  $scope.addChild    = addChild;
  $scope.removeChild = removeChild;

  for (var i = 0; i < 5; i++) {
    addChild();
  }
    
}]);

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