.block-editor-block-list__block {
    width: 100%;
    overflow: hidden;
}

.filter-blue::after , .filter-red::after{
    position: absolute;
    content: '';
    inset: 0;
    z-index: 1;
    size: 100%;
}

.filter-blue::after {
    background: rgba(23, 32, 61, 0.9);
}

.filter-red::after {
    background: rgba(96, 19, 27, 0.9);
}