<md-dialog aria-label="new features">
  <md-toolbar class="md-accent">
    <div class="md-toolbar-tools">
      <h1>{{ latestFeature.title }}</h1>
      <span flex></span>
      <md-button class="md-icon-button" ng-click="closeDialog('dismissed')" aria-label="close features dialog">
        <md-icon>close</md-icon>
      </md-button>
    </div>
  </md-toolbar>
    <md-dialog-content>
      <div class="md-dialog-content features-popup" layout="column" layout-align="center center">
        <img ng-src="{{ latestFeature.img }}" aria-describedby="featureContent" hide-xs>
        <p id="featureContent" class="sr-only">{{ latestFeature.description }}</p>
        <p hide-gt-xs>{{ latestFeature.description }}</p>
      </div>
    </md-dialog-content>
    <md-dialog-actions>
      <md-button class="md-default"
                 ng-if="latestFeature.learnMoreURL"
                 ng-click="closeDialog('closed')"
                 ng-href="{{ latestFeature.learnMoreURL }}">
        Learn more
      </md-button>
      <md-button class="md-primary" ng-click="closeDialog('closed')">{{ latestFeature.popup.buttonText }}</md-button>
    </md-dialog-actions>
</md-dialog>
<md-dialog aria-label="new features">
  <md-toolbar class="md-accent">
    <div class="md-toolbar-tools">
      <h1>{{ latestFeature.title }}</h1>
      <span flex></span>
      <md-button class="md-icon-button" ng-click="closeDialog('dismissed')" aria-label="close features dialog">
        <md-icon>close</md-icon>
      </md-button>
    </div>
  </md-toolbar>
    <md-dialog-content>
      <div class="md-dialog-content features-popup" layout="column" layout-align="center center">
        <img ng-src="{{ latestFeature.img }}" aria-describedby="featureContent" hide-xs>
        <p id="featureContent" class="sr-only" hide-xs>{{ latestFeature.description }}</p>
        <p hide-gt-xs>{{ latestFeature.description }}</p>
      </div>
    </md-dialog-content>
    <md-dialog-actions>
      <md-button class="md-default"
                 ng-if="latestFeature.learnMoreURL"
                 ng-click="closeDialog('closed')"
                 ng-href="{{ latestFeature.learnMoreURL }}">
        Learn more
      </md-button>
      <md-button class="md-primary" ng-click="closeDialog('closed')">{{ latestFeature.popup.buttonText }}</md-button>
    </md-dialog-actions>
</md-dialog>
Hide sr-only description on small screens
Hide sr-only description on small screens
