.panel-window-pane-tiles {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: flex-start;
  align-content: stretch;
}

.panel-window-pane-tiles > .panel-heading {
  flex: 1 0 100%;
  align-self: auto;
}

.panel-window-pane-tiles > .panel-footer {
  flex: 1 0 100%;
  align-self: auto;
}

.panel-window-pane-tiles > .panel-hero {
  flex: 1 0 100%;
  align-self: auto;
}

.panel-window-pane-tiles > .panel-triptych {
  flex: 1 3 33.33%;
  align-self: auto;
}

.panel-window-pane-tiles > .panel-feature {
  flex: 1 0 50%;
  align-self: auto;
}

.panel-window-pane-tiles > .panel-twothirds-onethird {
  align-self: auto;
}

.panel-window-pane-tiles > .panel-twothirds-onethird.panel-twothirds {
  flex: 1 2 60%;
}

.panel-window-pane-tiles > .panel-twothirds-onethird.panel-onethird {
  flex: 1 1 30%;
}

.panel-hero { order: 0 }
.panel-triptych-heading { order: 1 }
.panel-triptych { order: 2 }
.panel-feature-heading { order: 3 }
.panel-feature { order: 4 }
.panel-twothirds-onethird-heading { order: 5 }
.panel-twothirds-onethird { order: 6 }