html, body, #viewDiv {
    padding: 0;
    margin: 0;
    height: 100%;
    width: 100%;
    overflow: hidden;
}

.loaderContainer{
    position: absolute;
    width:100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center; 
} 

.loaderContainer>div{
    width:150px
}

.loaderMsg{
    left: calc(75px - 50vw);
    width: 100vw;
    white-space: nowrap;
    text-align: center;
    position: relative;
}

.loader {
    border: 16px solid #f3f3f3;
    border-radius: 50%;
    border-top: 16px solid #3498db;
    width: 120px;
    height: 120px;
    -webkit-animation: spin 2s linear infinite;
    /* Safari */
    animation: spin 2s linear infinite; 
}

/* Safari */
@-webkit-keyframes spin {
0% {
    -webkit-transform: rotate(0deg);
}

100% {
    -webkit-transform: rotate(360deg);
}
}

@keyframes spin {
0% {
    transform: rotate(0deg);
}

100% {
    transform: rotate(360deg);
}
}