.editor-styles-wrapper html body .wp-site-blocks,
html body .wp-site-blocks{
   background-color: rgba(235,216,186,1) !important;
}
.editor-styles-wrapper .wp-block-w4ya-cm-header-X.cm-header-container,
.wp-block-w4ya-cm-header-X.cm-header-container{
   background-color: #FF00FF;
}