body, html {
    height: 100%;
}
.app-loading {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}
.app-loading .spinner {
    height: 200px;
    width: 200px;
    animation: rotate 2s linear infinite;
    transform-origin: center center;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.app-loading .logo {
    font-family: 'Helvetica', 'Ariel', 'open-sans';
    font-size: 12px;
    font-weight: 400;
    color: #000;
}
.app-loading .logo img {
    display: inline-block;
    vertical-align: middle;
    max-width: 32px;
    margin-right: 10px;
}
.app-loading .spinner .path {
    stroke-dasharray: 1, 200;
    stroke-dashoffset: 0;
    animation: dash 1.5s ease-in-out infinite;
    stroke-linecap: round;
    stroke: #ddd;
}
@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}
@keyframes dash {
    0% {
        stroke-dasharray: 1, 200;
        stroke-dashoffset: 0;
    }
    50% {
        stroke-dasharray: 89, 200;
        stroke-dashoffset: -35px;
    }
    100% {
        stroke-dasharray: 89, 200;
        stroke-dashoffset: -124px;
    }
}