<div class="winters">
  <div layout-padding class="articles">
    <md-grid-list ng-show="!isLoading && !error" md-cols-sm="2" md-cols-gt-sm="4" md-cols-gt-md="8" md-cols-gt-lg="12" md-row-height-sm="6:7" md-row-height-gt-sm="7:8" md-row-height-gt-md="7:11" md-row-height-gt-lg="7:10">
      <md-grid-tile ng-repeat="article in articles">
        <div ng-show="$first">
          <div class="author-wrapper">
            <a ng-href="{{article.html_url}}" class="author" layout="row" layout-align="center start">
              <div layout="column">
                <div class="author-prefix">I'm</div>
                <div class="author-name">{{article.login}}</div>
              </div>
              <img lay class="author-image" ng-src="{{article.avatar_url}}}">
            </a>
          </div>
        </div>
        <div ng-show="!$first">
          <winters-article gist="{{article}}"></winters-article>
        </div>
      </md-grid-tile>
    </md-grid-list>
    <loading ng-if="isLoading"></loading>
    <error ng-if="error"></error>
  </div>
</div>

<div class="winters">
  <div layout-padding class="articles">
    <md-grid-list ng-show="!isLoading && !error" md-cols-sm="2" md-cols-gt-sm="4" md-cols-gt-md="8" md-cols-gt-lg="10" md-row-height-sm="3:2" md-row-height-gt-sm="7:7" md-row-height-gt-md="7:11" md-row-height-gt-lg="7:8">
      <md-grid-tile ng-repeat="article in articles">
        <div ng-show="$first">
          <div class="author-wrapper">
            <a ng-href="{{article.html_url}}" class="author" layout="row" layout-align="center start">
              <div layout="column">
                <div class="author-prefix">I'm</div>
                <div class="author-name">{{article.login}}</div>
              </div>
              <img lay class="author-image" ng-src="{{article.avatar_url}}}">
            </a>
          </div>
        </div>
        <div ng-show="!$first">
          <winters-article gist="{{article}}"></winters-article>
        </div>
      </md-grid-tile>
    </md-grid-list>
    <loading ng-if="isLoading"></loading>
    <error ng-if="error"></error>
  </div>
</div>

Adjust lg, md, sm grid height
Adjust lg, md, sm grid height
