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

core-loading {
    @include core-transition(height, 200ms);

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

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

    &.core-loading-noheight .core-loading-content {
        height: auto;
    }
}

.scroll-content > core-loading,
ion-content > .scroll-content > core-loading,
.core-loading-center {
    position: static !important;
}

.scroll-content > core-loading,
ion-content > .scroll-content > core-loading,
.core-loading-center,
core-loading.core-loading-loaded {
    position: relative;

    > .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;
        }
    }
}