html, body, #app {
    height: 100%;
    overflow: hidden;
    transition-property: filter;
    transition-duration: 1s;
}

.app-loading {
    position: absolute;
    top: 0px;
    left: 0px;
    right: 0px;
    bottom: 0px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.app-loading__logo {
    padding-left: 5px;
    margin-top: -5%;
}

.app-loading__logo img {
    width: 100px;
}

.app-loading-text {
    position: relative;
    margin-top: 1rem;
}

.app-loading-preloader,
.app-loading-viewtext {
    font-size: 3.5rem;
    color: #ddd;
    font-weight: bold;
}

.app-loading-viewtext-container {
    display: flex;
    flex-direction: row;
    position: absolute;
    letter-spacing: 4.3px;
    top: -5px;
}

.app-loading-viewtext {
    color: #333;
    animation: loader 4s infinite;
    transform: rotateY(-90deg);
}

.app-loading-viewtext-container span:nth-child(1) {
    animation-delay: 0.2s;
}

.app-loading-viewtext-container span:nth-child(2) {
    animation-delay: 0.4s;
}

.app-loading-viewtext-container span:nth-child(3) {
    animation-delay: 0.6s;
}

.app-loading-viewtext-container span:nth-child(4) {
    animation-delay: 0.8s;
}

.app-loading-viewtext-container span:nth-child(5) {
    animation-delay: 1s;
}

.app-loading-viewtext-container span:nth-child(6) {
    animation-delay: 1.2s;
}

.app-loading-viewtext-container span:nth-child(7) {
    animation-delay: 1.4s;
}

@keyframes loader {

    0%,
    75%,
    100% {
        opacity: 0;
        transform: rotateY(-90deg);
    }

    25%,
    50% {
        opacity: 1;
        transform: rotateY(0deg);
    }
}
