Reimplemented example using CRA

[stereobooster]

Related:

• Error in your basic example. #93
• Whats Happen With This Basic Example #87

It is possible to deploy this to gh-pages to have example online

Also tried relative path, but it fails facebook/create-react-app#1492

[stereobooster]

Second commit addresses:

• Support for Image Not Found Errors #91
• Placeholder images #82

corresponding CSS

.LazyLoad .spinner {
  width: 40px;
  height: 40px;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -20px -20px 0 0;
  background-color: #fff;
  border-radius: 100%;
  -webkit-animation: sk-scaleout 1.0s infinite ease-in-out;
  animation: sk-scaleout 1.0s infinite ease-in-out;
}

.LazyLoad.is-errored .spinner,
.LazyLoad.is-loaded .spinner {
  opacity: 0;
}

@-webkit-keyframes sk-scaleout {
  0% { -webkit-transform: scale(0) }
  100% {
    -webkit-transform: scale(1.0);
    opacity: 0;
  }
}

@keyframes sk-scaleout {
  0% {
    -webkit-transform: scale(0);
    transform: scale(0);
  } 100% {
    -webkit-transform: scale(1.0);
    transform: scale(1.0);
    opacity: 0;
  }
}

.LazyLoad .offline {
  opacity: 0;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('/offline.svg') no-repeat center center;
  background-size: 100px 100px;
}

.LazyLoad.is-errored .offline {
  opacity: 1;
}