body, html {
    height: 100%;
    margin: 0;
}

.app-loading {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    background: #2c3e50;
}

.app-loading .logo {
    width: 100px;
    height: 100px;
    background: url(./../images/puff.svg) center center no-repeat;
    background-size: 100px;
}