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;
    }