html, body, #app { height: 100%; margin: 0; padding: 0; } #loader-wrapper { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 99999; background-color: #151a26; } #loader-wrapper .loader-box { position: fixed; left: calc(50% - 250px); top: calc(50% - 100px); margin: 0 auto; width: 500px; height: 200px; text-align: center; vertical-align: center; font-weight: bold; color: #87888E; font-size: 35px; } #loader-wrapper .loader-box > span { opacity: 0.4; display: inline-block; animation: bouncingLoader 1s infinite alternate; } #loader-wrapper .loader-box > span:nth-child(2) { animation-delay: 0.1s; } #loader-wrapper .loader-box > span:nth-child(3) { animation-delay: 0.2s; } #loader-wrapper .loader-box > span:nth-child(4) { animation-delay: 0.3s; } #loader-wrapper .loader-box > span:nth-child(5) { animation-delay: 0.4s; } #loader-wrapper .loader-box > span:nth-child(6) { animation-delay: 0.5s; } #loader-wrapper .loader-box > span:nth-child(7) { animation-delay: 0.6s; } @keyframes bouncingLoader { 0% { transform: translateY(0); } 50% { transform: translateY(25px); } 100% { transform: translateY(0); } } #loader-wrapper .loader-title { font-weight: bold; z-index: 1002; position: absolute; top: 50%; margin-top: 15px; color: #87888E; font-size: 18px; width: 100%; height: 30px; text-align: center; opacity: 0.4; line-height: 30px; }