animation',
              node: this.$.fixed
            }, {
              name: 'transform-animation',
              transformFrom: 'none',
              transformTo: 'translate(0px,-200vh) scale(0.9,1)',
              node: this.$.card
            }]
          }
        }
      }

    },

    _computeCardClass: function(color) {
      var cls = 'card';
      if (color) {
        cls += ' ' + color + '-300';
      }
      return cls;
    },

    _computeFixedBackgroundClass: function(color) {
      var cl