Edit file File name : editor-rtl.css Content :.block-library-html__edit .block-library-html__preview-overlay{ height:100%; position:absolute; right:0; top:0; width:100%; } .block-library-html__edit .block-editor-plain-text{ background:#fff !important; border:1px solid #1e1e1e !important; border-radius:2px !important; box-shadow:none !important; box-sizing:border-box; color:#1e1e1e !important; direction:ltr; font-family:Menlo,Consolas,monaco,monospace !important; font-size:16px !important; max-height:250px; padding:12px !important; } @media (min-width:600px){ .block-library-html__edit .block-editor-plain-text{ font-size:13px !important; } } .block-library-html__edit .block-editor-plain-text:focus{ border-color:var(--wp-admin-theme-color) !important; box-shadow:0 0 0 1px var(--wp-admin-theme-color) !important; outline:2px solid #0000 !important; } Save