.wp-admin .edit-post-visual-editor p, .block-editor-block-list__block{
color:#000 !important;
}
.ast-separate-container .block-editor-writing-flow, .ast-max-width-layout.ast-plain-container .edit-post-visual-editor .block-editor-writing-flow {
background-color: #000 !important;
background-image: none;
color: #fff !important;
}