.main-loader { opacity: 1; transition: 400ms ease; } .main-loader.loaded { opacity: 0; } .spinner { margin: 50px auto; width: 50px; height: 40px; text-align: center; font-size: 10px; } .spinner > div { background-color: #c5d0de; height: 100%; width: 6px; display: inline-block; opacity: .5; -webkit-animation: sk-stretchdelay 1.2s infinite ease-in-out; animation: sk-stretchdelay 1.2s infinite ease-in-out; } .spinner .rect2 { -webkit-animation-delay: -1.1s; animation-delay: -1.1s; } .spinner .rect3 { -webkit-animation-delay: -1.0s; animation-delay: -1.0s; } .spinner .rect4 { -webkit-animation-delay: -0.9s; animation-delay: -0.9s; } .spinner .rect5 { -webkit-animation-delay: -0.8s; animation-delay: -0.8s; } @-webkit-keyframes sk-stretchdelay { 0%, 40%, 100% { -webkit-transform: scaleY(0.4) } 20% { -webkit-transform: scaleY(1.0) } } @keyframes sk-stretchdelay { 0%, 40%, 100% { transform: scaleY(0.4); -webkit-transform: scaleY(0.4); } 20% { transform: scaleY(1.0); -webkit-transform: scaleY(1.0); } }