app/assets/stylesheets/start-page-pictures.css
.start-page-pictures { position: relative;} Rule doesn't have all its properties in alphabetical order..start-page-picture { padding: 6px; position: absolute; background: #fff; box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);}.start-page-picture img { width: 350px;}Rule doesn't have all its properties in alphabetical order..start-page-pictures .picture-1 { transform: rotate(10deg);Standard property 'transform' should come after vendor-prefixed property '-webkit-transform'. -webkit-transform: rotate(10deg);Standard property 'transform' should come after vendor-prefixed property '-moz-transform'. -moz-transform: rotate(10deg);Standard property 'transform' should come after vendor-prefixed property '-ms-transform'. -ms-transform: rotate(10deg); top: 40px; left: 30px;}Rule doesn't have all its properties in alphabetical order..start-page-pictures .picture-2 { transform: rotate(5deg);Standard property 'transform' should come after vendor-prefixed property '-webkit-transform'. -webkit-transform: rotate(5deg);Standard property 'transform' should come after vendor-prefixed property '-moz-transform'. -moz-transform: rotate(5deg);Standard property 'transform' should come after vendor-prefixed property '-ms-transform'. -ms-transform: rotate(5deg); top: 160px; left: 200px; z-index: 2;}Rule doesn't have all its properties in alphabetical order..start-page-pictures .picture-3 { transform: rotate(-5deg);Standard property 'transform' should come after vendor-prefixed property '-webkit-transform'. -webkit-transform: rotate(-5deg);Standard property 'transform' should come after vendor-prefixed property '-moz-transform'. -moz-transform: rotate(-5deg);Standard property 'transform' should come after vendor-prefixed property '-ms-transform'. -ms-transform: rotate(-5deg); top: 240px; left: 30px;}