2c1.73 4.39 6 7.5 11 7.5s9.27-3.11 11-7.5c-1.73-4.39-6-7.5-11-7.5zM12 17c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5zm0-8c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z"/>\</svg>');
    }

    progressive-image.loading:before {
      background-color: #000;
      animation: running-progress 2s cubic-bezier(0.4, 0, 0.2, 1) infinite;
      height: 3px;
      width: 100%;
    }

    @keyframes running-progress {
      0% { margin-left: 0px; margin-right: 100%; }
      50% { margin-left: 25%; marg