acity; transform: translateZ(0px); opacity: 0;'),
            'condensed-title when progress = 0');

          container._updateScrollState(container.offsetHeight * 0.5);

          assert.isTrue(sameCSS(container.$.mainTitle,
              'will-change: opacity; transform: translate(50px, 50px) scale3d(1.5, 1.5, 1); opacity: 1;'),
              'main-title when progress = 0.5');

          assert.isTrue(sameCSS(container.$.condensedTitle,
            'will-change: opacity; transform: translateZ(0px); opaci