Vmeda.Online/src/components/loading/loading.scss

core-loading {
    .core-loading-container {
        width: 100%;
        text-align: center;
        padding-top: 10px;
        clear: both;
    }

    .core-loading-content {
        padding-bottom: 1px; /* This makes height be real */
    }

    &.core-loading-noheight .core-loading-content {
        height: auto;
    }
    @include core-transition(core-show-animation);
}

.scroll-content > core-loading > .core-loading-container,
ion-content > .scroll-content > core-loading > .core-loading-container,
.core-loading-center .core-loading-container {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    display: table;
    height: 100%;
    width: 100%;
    z-index: 1;
    margin: 0;
    padding: 0;
    clear: both;

    .core-loading-spinner {
        display: table-cell;
        text-align: center;
        vertical-align: middle;
    }
}