table {
	border-collapse: collapse !important;
	border-spacing: 0 !important;
}

.wp-block-table thead {
    border-bottom: 0 !important;
}
.wp-block-table tfoot {
    border-top: 0 !important;
}
.wp-block-table td,
.wp-block-table th {
    border-top: 0 !important;
    border-left: 0 !important;
}