.b-grid-base:not(.b-masked) {
    .b-grid-empty .b-empty-text {
        height      : 100%;
        width       : 100%;
        display     : grid;
        place-items : center;
        font-size   : 2em;
        transition  : opacity .4s;
        opacity     : .3;
    }

    &.b-dragging-file .b-empty-text {
        opacity : 1;
    }
}